ength-weight relationship of redfish - noaa · 42tfie\ength-weight relationship of redfish as...

103
\ •• / ! H 1 ! '-'"''' .... .Lo·ny 1. :::), ;,.J' · .... ,l· I r ,: ",' :.,...6: o,J I V _ .-. ,', .- ' Number ...... -,_ 'J, I 42 T fiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured on an accurate measuring board graduated in two place logarithms of the length in decimeters. The board was graduated with a nJ.a.Jdmum error in the graduations of not more than 1/100 ofa centimeter so essentially the only source of error would be the personal one of the way in which the fish is slid against the end of the board. Weights were taken on two spring balances graduated in two place logarithms of the weight in 0.1 pounds. The smaller of the two balances 'Yd.th a ca- pacity of 1.1 pounds never indicated a deviation of more than 1% from the true weight (in the range of weights used) in extensive tests conducted be- fore every sample of fish was weighed. The bias of this scale which would show up in an average was probably not more than *%. The other scale which was used for all fish over 1.1 pounds had a capacity of 40 pounds and the sector of the dial used was small (between 1 and 2 pounds). Careful checks revealed no error in weighing check weights of more than 2.5% in the range used. However, it was found that the observed weights of test weights were distributed on both sides the true value so it is considered likely that any bias which would affect an average would not be greater than 1%. Thus in examining the length-weight measurements for source! of variation, any variation of less than 1% may possibly be caused by errors in measure- ment and differences of more than 1% must be explained by reason of some other source of variation.

Upload: others

Post on 28-May-2020

1 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

\

•• / ! H 1 ! '-'"''' .... .Lo·ny '·\.~.''''''.!''ir:::: 0'~ 1. :::), ;,.J' ·....,l· I r ,: ",' "~' :.,...6: o,J I V _ .-. ,', .- '

~':~,",n!l'=:l"'riQ( ReD~)rt Number \~IC..&.~ ...... -,_ 'J, I

42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH

AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942

METHODS OF MEASUREMENT

Lengths were measured on an accurate measuring board graduated in two

place logarithms of the length in decimeters. The board was graduated with

a nJ.a.Jdmum error in the graduations of not more than 1/100 ofa centimeter

so essentially the only source of error would be the personal one of the

way in which the fish is slid against the end of the board.

Weights were taken on two spring balances graduated in two place logarithms

of the weight in 0.1 pounds. The smaller of the two balances 'Yd.th a ca-

pacity of 1.1 pounds never indicated a deviation of more than 1% from the

true weight (in the range of weights used) in extensive tests conducted be-

fore every sample of fish was weighed. The bias of this scale which would

show up in an average was probably not more than *%. The other scale which

was used for all fish over 1.1 pounds had a capacity of 40 pounds and the

sector of the dial used was small (between 1 and 2 pounds). Careful checks

revealed no error in weighing check weights of more than 2.5% in the range

used. However, it was found that the observed weights of test weights were

distributed on both sides o~ the true value so it is considered likely that

any bias which would affect an average would not be greater than 1%. Thus

in examining the length-weight measurements ~aken for source! of variation,

any variation of less than 1% may possibly be caused by errors in measure-

ment and differences of more than 1% must be explained by reason of some

other source of variation.

Page 2: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

GATHERING THE DATA

Table 1 itemizes the seurce .of the samples frem which the length-weight

measurements were .obtained. In alIef these samples the fish were measured

and weighed lias landed" befere washing, cleaning, .or scaling.

The data\were gathered primarily to establish the regressien .of weight

en length fer the redfish and secendarily te discever seurces .of variatien

in the length-weight relatienship. Te establish a representative length-

weight curve the samples were distributed among as many .of the areas fished

as pessible. Ideally the size .of the samples sheulct have been in preportien

te the catch frem each area but the fishing areas change frem week-te-week

and data was net available en the. expected distributien .of the catch fer the

peried in which the samples were taken. The next best bet is t.o distribute

the samples equally among the areas. This was dene as far as pessible but

.only .one sample .of 50 fish was .obtained frem each .of feur of the areas wr~ch

were being lightly fished at the time (Table 1.). Frem six ether areas twe

samples each were obtained.

The actual length-weight measurements were taken during ten days but

because of the necessity of selecting trips for sampling and the pressure .of

ether werk the ten days were spread out ever 33 days. The females during

this time lest much of their spawn, particularly these caught in the mere

southern areas~ The tw~ samples from the same area were taken an average

of 16' days apart. This was net planned but by usiI".g this infermati.on it is ;

pes sible te .obtain an estimate of the change in weight ever this peri.od of

time.

2

Page 3: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

3

Table 1.

The source of the samples for the length-weight measurements on redfish.

(50 fish per sample).

Area Dates the Samples Days between first' were landed. and second samples.

Channel 7/15

Off Glouc eater' 7/3 .7/13 10 ",' ~~"

Jeffrey' 5 Ledge 7/17

Off Portland 7/16

Sequin 6/19 7/ 3 14

C: Matinicus 6/16 7/13 27

Mt. Desert 7/2 7/14 12

Platts 6/15 7/ 2 17

Cashes 7/16

Cape Shore (Off She1bourne) 6/15 7/ 2 17

Page 4: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

The samples were taken as nearly at random as was possible under the

conditions eristing. Usually this meant picking about five to ten fish

from each 500 pound box unloaded until the required 50 were obtatned. How-

ever, some fish companies use 300 pound wheelbarrows and some a 150 pound

basket_for weighing the fish ir~tead of the 50Q pound box. N~ strict dis-

persion of the sample was attempted. but not more than two fish were taken

per 100 pounds unloaded. Neither was any attempt made to spread the sample

4

syst~tically throughout the whole trip or any definite part of it~ Taking

the few fish from each container resulted in spreadir~ the sample through

several thousand pounds of the boat's catch.

To avoi.d personal bias in selecting the fish -they were picked from the

container in as objective a manner as possible. The three, five, or eight

fish or whatever the number picked up were taken from those nearest a corner

C or some other definite point. It is probably impossible to completely

( I

~

- avoid personal bias in picking up fish in this way but with care it may be

reduced to a minimum.

No restriction was placed on proportion of the sexes in the samples. A

significant preponderance (by the Chi2 test) of females were encountered.

Of the BOO fish measured 461 were females. The number in the samples of 50

varied from 18 to 39. (The sex was easy to determine from the exterior for

the adult rediiah at this time of year, and fairly easy in the case of the

immatures but if there was any doubt about the sex the specimen was opened

with a knife and the determination made from. the gonads).

Page 5: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

j"

-1 i

n \. /

c;

5

ANALYSIS OF THE DATA

Covariance analysis was used to determine-the sources of variation and

the significance of differences. ~able 2 presents the results of the analy-It;

sis for the differences between seles and among areas. The differences be-

tween sexes is slight, the value of Fbeing between the 5% and the 1% leveis.

The difference among areas is highly" significant being well beyond the 0.1%

level. However, this difference among areas is confounded with differences

in the time at which the samples were taken both in respect to calendar time

and to the period in the spawning cycle which is not the same at the same

date in the different areas represented. Hence a further examination is

necessaq before it can be stated that the different areas produce redfish

with a different length-weight relationship.

The significance of the time factor was tested by a covariance analysis

of the difference between the first and second samples taken from the six

areas which were sampled twice (Table 3.). The difference is highly sig-

nificant when both sexes are considered together or when the females are

considered separately but there is no difference in the males between the

first and second samples. Change in weight at this season of the year is

associated chiefly with the females. Furthermore it would seem appropriate

to test the significance of the differences among areas by using the measure-

ments of the" males only.

The covariance analysis of the difference among areas was repeated for

the males only. The F test reveals a difference well beyond the 1% level.

The analysis was also completed for the females only and as is now to be

expected an,' even more significant difference was found among areas; well ( "".

J beyond the 0.1% level (Table 4).

Page 6: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

l o \~

TABLE 2.--REDFISH LWGTH-WEIGHT COVARI.ANOE AlIf.ALYSIS OF THE DIFFERENCES BErWEEN SEXES AIm AMONG AREAS

-Sums of squares and products Errors of estimate

Source Degrees of of

Sx2 Sy2 Sum of Degrees Mean

variation freedom Sxy squares of square freedom

Total 799 2.0966 6.2240 19.4636 .9869 198 .001~31 (S = .03411)

.1665 1.6444 (~ • 8.19%~. .

Areas 9 .5139 (-2Sy.x = -11.04%)

Sexes 1 .6698 1.9344 5.5813

Error 189 1.2603 3.7751 12.2319 .9204 788 .00111

Area + Error 798 1.4268 4.2896 13.8763 .9798 797 .001229

Difference for test of areas .0594 9 .0c660

Sexes + Error 790 1.9301 5.7101 17.8192 .9262 789 .00117

Difference for test of sexes .0058 1 .0058

F Test Difference between Sexes ]I = .0058/ .00117 = 4.96* (5% = 3.85; 1% = 6.66) Difference among areas F = .0C£60/ .00117 5.t,4**(5% = 1.89 1% = 2)~3)

(0.1% = 3.4)

'" i

Page 7: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

l~ o TABLE 3.--REDFISH LENG'rH-WEIGHT COVA.RIANCE Al~ALYSIS DIFFEREUCE BETVfE:EfrJ FIRS'r AND

SECOND SAMPLES

Sums of squares and products Errors of estimate Source Degrees

Sum of of of Sx2 Sr2 variation freedom Sxy squares

Both S~xes To~~th~r 4.6972 14.7464 .1368 , Total

Sample Error Di fference for Test of Sample

Mal~s 9111;[ Total Sample Error Difference for Test of Sample

F~m~le§ Onl~ Total Sample Error

Difference for Test of Sample

599 1.5149 1 .0006 -.0007 .0009

598 1.5743 4.6979 14.7455 .7264

.0104 F = .0104/.00122 .. 8.52.* (1% value 6.68)

Hi~hly Sienificant Difference

267 .3882 1.1686 3.7863 .2685 1 .0061 .0174 .0493

266 '2821 1.1212 3.7370 .2686

-.0001 F = 0 !!2. Diffel'ence

331 .7349 2.2115 7.1202 .4652 1 .0007 -.0012 .0021

330 .1342 2.2121 7.1181 .4496

.0156

F = 11.39*· (0.1% value about 11.00) Hl~ Si~ifiDSLnt Difference

"-.

Degrees Mean of square

freedom

598 .00123

597 .00122

1 .0104 ..

266

265 .00101

1

330 .00141

329 .00137

1 .0156 **

C)

-.J

Page 8: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

___ ~_~. __ • i •. ~ .......... ,"_~_._"--,- •• "~"'-~ _.~._. ~ . ____ ......... -..........._. _._,~ __ "~_. __ ._ ...... " .,._ ... L. __ .~ ."

l~ n :~)

i

i:

TABLE 4.--REDFISH LENGTH-WEIGHT COVARIANCE ANALYSIS OF TF~ DIFFER1lliTCES ~AONG AREAS

~s of equares and products . Errors of estimate II :;3ource Degrees - of of Sum of Degrees Mean

variation freedom Sx2 Sxy Sy2 _ squares of square freedom

Ma1~s On1~ Total 338 . . 4975 +.5056 . 4.8763 .3199 33 Areas 9 .0436 ~1369 .4540 Error 329 .4539 1.3687 4.4223 .2951 328 .00090

Difference for Testing Areas .0248 9 .00276

F = .00276/.00090 = 3.07 (1% level - 2.48)

F~ma1~s On1~ Total 460 .9293 2.7840 9.0000 .6597 459 Areas 9 .0969 .2889 .9174 Error 451 .8324 2.4951 8.0826 .6036 450 .00134

Difference for Testing Areas .0561 9 .00623

F = .00623/.00134 = 4.65 (1% point = 2.46 0.1% point = app.3;25)

0)

~,

Page 9: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

, , j

1

c

~----------- ------------------

In summa.ry it appears that there is a relatively large difference in

the length-weight relationship among areas and a lesser difference between

sexes but both relationships are confounded ~ a continuing loss of weight

by the females during the period of the sampling. Let us examine the mag-

-nitude of' these differences by means of the regression foI'IIlUla4t.DOw that

theirs~nificance bas been determined.

The various regression formul~ are pr~sented in Table 5. From these

formulae values of the weight have been calculated from assigned values ~f

the length. Several calculated values a.relisted for the major regression

forIilulae' and only the value nearest the mean for the individual area re-

gressions. This single value is best for comparisons among areas. Since

verJ fe\v redfish were less than.40 in length the calculated values of the

weight for a length of .30 are subject to irregular and non-significant

variations caused ~ differences in slope.

Comparison of these calculated values of the weight for a given length

should properly be made among the males only for differences among areas.

It appears that the t~~h from Platts bank were significantly lighter in

weight and those from bff Gloucester, Sequin,Matinicus, Mt. Desert, and

Cape Shore ran much the same. Unfortunately insufficient material was ob-

tained from. the other- four areas for a comparison of areas by the males

alone. We may tentatively make a comparison among~ these areas with both

9

sexes lumped together. This comparison indica.tes significantly lighter fish

from Cashes and significantly heavier fish'from the Channel area. Reference

to a chart of the area indicates the redfish from the peripher,r of the Gulf

of Maine from Gloucester to Cape Sable had much the same length-weight

Page 10: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

j ~ .

In summar.r it appears that there is a relatively large difference in

the length~weight relationship among areas and a lesser difference between

sexes but both relationships are confounded by a continuing loss of weight

by the females during the period of the sampling. Let us examine the mag-

-nitude of these differences by means of the regression. formula.-.mw that

their .. s:,ignificance has been determined.

The various regression formulaa are pr~sented in Table 5. From these

formulae values of the weight have been calculated from assigned values ~f

the length. Several calculated values a.relisted for the major regression

formulae' and only the value nearest the mean for the individual area re-

gressions. This single value is best for comparisons among areas. Since

verI' felY red!ish were less than .40 in length the calculated values of the

<=:j weight for a length of .30 are subject to irregular and non~significant

variations caused by differences in slope.

Comparison of these calculated values of the weight for a given length

should properly be made among the males only for differences among areas.

It appears that the t~~h from Platts bank were significantly lighter in

weight and those from Off Gloucester, Sequin, Matinicus, Mt. Desert, and

Cape Shore ran much the same. Unfortunately insufficient material was o~

9

tained from the other- four areas for a comparison of areas by the males

alone. We may tentatively make a comparison among' these areas with both

sexes lumped together. This comparison indicates significantly lighter fish

from Cashes and significantly heavier fish from the Channel area. Reference

to a chart of the area indicates the redfish from the peripher,y of the Gulf

of Maine from Gloucester to Cape Sable had much the same length-weight

Page 11: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

',j

Table 5.

REDFISH LENGTH-WEIGHT REGRESSIOH FOBMULA

10

x = Log. of length in decimeters Y = Log. of Weight in 0.1 pounds

Source of Regression for.mttla N

l30th Se:x:es All measurements 800 By Area

Off Gloucester 100 Seguin - 100 Matinicu$ 100 Mt. ~esert 100 Platts 100 Cape Shore 100

Cashes 50 Portland 50 Channel 50 Jeffries 50

~ time of sampling Sample 1 300 Sample 2 300

Male§ Only

C' Total 339 j:By- Area

Off Gloucester' 48 Sequin 39 Matinilfus 50 Mt •. Desert ~ Platts Cape Shore 46 Cashes 18 Portland 22 Channel 11 Jeffries 20

, Bye' time- of sampling Sample 1 123 Sample 2 145

F~males Onl;t Total 461 :By Area

Off Gloucester 52 Sequin 61 Matinicus 50 Mt. Desert 61 Platts 54 Cape Snore 54 Cashes 32

/'

( : Portland 28 \,J

Channel 39 Jeffries 30

By ti~ of sampling SemI' e 1 111 Sample 2 155

- ... _--- --_. -

Regression E of Y =

2.96862X-.44093

2.7084 X-.3205 3.1015 x-.4867 2.8450 X-.3713 2.8467 X-.3852 3.1214 X-. 5210 3.0405 x....4119

2.7823 X-.3128 2.9464 X-.4386 2.7795 X-.3400 2.9412 X-.4355

3.0836 x-.4816 2.8598 X-.3926

3.0263 X-.4630

2.9194 X-.4ll0 3.0082 x.:..445l 2.9351 X-.4l56 2.1012 X-.3222 3.1019 X-·5l52 3.0336 x-.4665

Data

Inadequate

3.1059 x-.4948 2~9ll4 x-.413l

2.9958'X-.4562

2.1628. :t-.3512 3. 2384 X-·5555 2.1815 X-.3503 2.8S96 X-.4c63 3.1004 X-.506l 3.0122 X-.4881

Data

Inadequate

3. ~129 X-.~~ 2.0193 X- •.

Y when X = .30 .40 .45 .50 ·55

.4497 .1465 .8949 1.0434, 1.1918

.8983)

.9090)

.9030)(L.S.D. (1~ level)

.895~~ =.0127)

.8863)

.8963)

.8192**)

.8873 )L.S.D (1% level)

.9108** ) =.0183) " d

.8901 )

·9000 .8943

.4449 .1415 .8988 1.0502

.9021 )

.9086 )

.9052 )L. S.D. (1;& le'lel)

.8933 ) =.0181)

.8834**)

.8986 )

.9028

.8910

.4425 .7421 .8919 1.0411 1.1915

1.0302 ) 1.0631** ) 1. 0434 ) L . S . D . 1.0385 )1% level 1.0441 ) =.0196) 1.0474 )

.4304 .7411 .8973 1.0539 1.2086

.4598 .7441 .8911 1.0350 1.1796

Page 12: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

II

C relationship while those from Platts and Cashes banks in the center of the

Gulf of Maine were thinner and those from the South Channel area were heavier.

However, this comparison of the areas should be considered tentative until

data is obtained at some time other than the spawni~ season.

Comparison of the differences among sexes and among samples I and 2

may be made by calculated values given in Table 5~ or perhaps more easily - ,

qy the graphs (Figures land 2). Thel~ed data on sex indicates that the

fe..lUB.1.es were very slightly (but significantly) lighter than the males. This

similarity is probably accidental since the females decreased markedly in

weight between the first and second- samples, while the males stayed much the

same (Figure 2).

For quick reference the length-weight curve in millimeters and pounds

is presented in Figure 3 and the calculated values of the weight for each

o half centimeter length group are listed in Table 6. These data are most

nearly representative of the length-weight reiationship of the redfish from

the periphery of the Gulf of Maine from: Gloucester to Cape Sable for the

months of June and July.. The redfish from the Central Gulf of Maine and the

South Channel area appear to be lighter and heavier, respectively, and no

data is available on the variation associated with different seasons. For

weighing length-frequency curves it is not likely that any great error will

be caused by using- this curve for all areas and seasons since even if the

fish do run lighter or J].eavier, the relationship among the weighing factors

will change but little. But for converting poundage to numbers, more repre-

sentative figures would be desirable.

Page 13: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 14: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 15: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

j 1

o

( ....

IJ

------ -~~ ----_. __ ._ .. _--_._._------ ------._.------------ ._----------- - --

Table 6.

Bedfiah - OalCD.lated Weights

.Eased on measurements of 800 redfish as landed at Gloucester between June 1; 8lldJulT 11. 1942. Measurement. were distrt'bo.ted in random samples from ten fishing areas.

&sah of' liM

c../2 Ia.. Pmnps

25 l20-124 .065

6 12~129 .014

7 130-134 ~083

8 135-139 .092

9 140-144 .103

30 145-149 .114

1 150-154 .l.26

2 155-159 .138

3 160-164 .152

11- 165-1~9 .166

5 170-114 .181

6 175-17' '. .197

7 180-lS4 ,.214

8 185-189 .232

9 190-194 .251

40 195-199 .271

1 200-2ol4. .292

2 205-209 .314

3 210-214 .337

4 215-219 .361

5 220-224 .387

6 22~229 .413

Page 16: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

. - ----~-.- --- - - ---- ----- --- --------------- --- --- - ------ - - -~--- _. -- -- ---------- --------- -- ----r--~··---

15

Page 17: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

,-

.-----------.-~-- - ---.--"------=-- --------- . -" ~-"--- ---~-----.-- _.- ----~---.---~-------------.-----.------------- --=-- _.

16

,~ Length of Fish \",,-j

-, I

!

o

Ca;,/2

2

3

4-

5

6

7

.. 355-359

360-:;64-

365-369

370-314

375-379

380-384

Pm'Pds

1.58

1.65

1.72 - .

1.79

1.86

1.94-

3

Page 18: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 19: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

&£JZE± - __

,,---,--,--

I

~i ~ ~ !) J ' i

• ~ -". !

I

.. ' .~ . ~ ~~ /t7-;..o~i !~o

• I~).'illo~i( &""0

;:"'0 ~Q;L- ~b . .31 b39';'~ i~/ 1

~7- ;:l../ / 'S 2- ~-y-;,~f rz..: J./.;1.- ;;./" 13.3 I 6'9;'~i'j , S""..3!

I

rJ./7- ~j.1 ,'J Y· i ,gif~6;9ti '6'/..' ,»-~;;I.." i~.!)- '70 ~"O~ 71 I s-S' ;;'-;,'1-J.3/ i.3,b

! ,

! 11r73 "JJ. S-& ;l:U-J.~7

I ~3"3-+ '1<1,i g'7 IS 7 17~O +-7" 7: J,.'38""- :;''12- 18K Fe-~"J - J"I1' 189 ' ' 11bSJ7f~! '67 J.~'1-)"stf 11'0 g-O i7t!"6-go3 90 J..S5-).ftJo ~/,

I i ~/-;J.('b ~z..

I I

;J.Iti'l- ;;',7 2- ;1'3 !

;'73-;"1f" ,

"'''''- , i

)..1'1-). (S ; ~~i i

#" ~..,

i .;U&,- ;2.9/ : -¥h, JJi:;.. - .;)..9 (" i e:r'7;

30 ;)..19- '2./).!J- i 4r, ...., I'

3JiI- 3/~ I 't'1;

'313- .3/9 co' 3~""J7.7

I o/'

3).('- JJ,s' : ..:J-::L,:

33'-3~z.. ~3

.J¥3 $JJ{) I .,:,-y: 3,SI -3S<ji iu~ ! 35"'1. - :3(, 7 ' S"b I

3;,r-J?::t; I

:\l/ ' 37b .. 3~" 66'": 3~--;3~.3. , ·SJ

'{J ~O 39"1'-~ () ;;.,: ~o •

4/0 ;3 - ~ 1"2-1 6/ ~/3 - 'i)-/ i '62-,

'" 42Z-4'3/ ,

~.3 'i3;L-~4'1 ; &c;.<' ";if2-~·.r-/ ! -' : iP-J I

~i, -)., -¥6 ~ - '{Ph I J " , £ib3-if7:3 I ,(PI I

o/-'7L/ -(II'~~ L .. r; 'ir .. r-Ifti S' I ! '

~ ..... I SO

,ii:l7 q96-so7 ] '70 I ~()r·sl t: ..,/ I

£''i-~30 ! '72.-.5:3/- ~-i.3 . 7-~ S44-S"~"".:J-: '7Y 6-S'':''.s~f. ." -/.J -l.fo 7 - Sg" 2- ?6 J-:-&'"" 3-' SCJ-IJ- 77 roo ..sth-' t,D~: '7f ~/o-",~3, "Zt I

,\

Page 20: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.,; 'd ,::: p 0

'" 0 c' ..... ... '" '" '" to .... "

..<:l 0

'" " '+-< 0

" +>

" ..... ..... ..... '+-< '+-< 0

.., § 0

~

..

15 14

4 2

0

16

14

12

IS 8

'" 4

2 0

16

14

12

10

8

4 2

0

16

14

12

2

~ I D F I S U (R 0 S E ? I S g)

DrS~RlBU~IO~~ ~F FIll3}~ ·J~!G·HrS AS LA!1JSD .h.T a.LCUC~S~ER I:U?IlfG A.?3.IL Al:D !,:.\.y, 1 ?42

3.2

l!cva Scotia' GrouJ. ds

8.1

Be.s d on 1175 me· surements· fro 3 trips.

194 catch-2l m lUon po ds.

0.0

Maine

Bas d 0:'1 3.820 , eaSu.reooe:'1t s fra. 32 trips.

134 c~tch-99 :~' Ilion !'au ds.

0.2

ern Gulf of Maine·

Bas d 0:'12,001 easurements fro 21 trips.

Ilion

0.2

accord ng to 1941

0.2

O~~+"~~~~~~~~~~~~~~~~ ____ ~ o I 2 3 4 5

Siza of fillets in ounces.

Enclosad figures incic?te the ~~aunt in each one mL~ce group.

Page 21: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

6

5

;. 4 Q) u <l g <l ....

..., 3 '" rl

rl .... 'H

" <1 Q

'H 0 2 ...,

-<i h:1

·rI

"' ~ -:

1

o

.'

RED F ISH (R 0 S E F I S H) -iF;? THE LEHG1'H-FILLET WEIGHT RELATIONSHIP. MAY, 1942

, /

- .' I

/ II

/

/ /.

- / I

/

I 1/ - /

lased h of 240 r dfish !lI1d 4 0 /

n mea reme.l fille s fro four diffe ent f Bhing a.reaS Cash s, I /v _1 Off G ouces er, C pe Sh re, III d Mat niCUB and I

/ fille ed by 24 di feren cutt rs at Glouc ster /

1,lassa huset s. // V - I ..- /

/ / .---

// V /'

- / '/ t.--'---..-

/ .---

V V '/' /'

- /

/ .... ,,' /' /' /

.--- V~ ,.' - /' ...-

/ ./ ,,'

" ..- V ./

V -- /'

" The solid line ndica eS th aver, f!:e // ./ ..-' fil et we! ["ht rr i1' " 17' iven i :ndh

..-V~ -..- -./

- - V ---..- ..- .-- Nin tv fi Ie nero ent 0 the ill et - -- '"-' wei hts VI J1 fa 1 bet een t· e .- -- -- -- l...---- --- dot ed 11 es. -- -- ------ - =--= -- f.---- --- -- -I I I I I I , , , , , I , I , , , , I I I I

6 7 6 9 10 11 12 13 14 15 16 LenGth to fork of te.il in Inches. (A 2tend~.rd rneesurement proposed for r:eneri;l use on redfish.)

I II II I I I ~~-----'-,'l 5 6 7, 6 9 10 11 12 13 14

• ::..

Length of nesh;r p"-rt of body in Inches. (The meBsuroment used by some buyers &:t Gloucester in cullin!; redn"l1.)

'" .,

Page 22: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

. The Length .. Weight Relationship of Redfish

72 J..$-~itd ;W~o r ~~. 0~w~i ~d~~-

~_.I ~~

. tLc C-vt/L--.e"... c--r..: - .. ',I> /

~~-e,~~u-- <-.-

/9~~ ~! ~4-?/ ~..J ~~~'l -;Z4&ile

{!.Ad ~~r ~~~a-o.

cfd-~- '. . ~d~r/ r!l~ i ~~

~- .

~ ~~~J T~.~I..·F. r;v" .4,.r - ';k..r ~d ~..( f-~' -y£c /?~ ~ ta~·

-4Jjl~lj Cfl... tfJ. ' •.

L:L~-Xl.- ~'tl ~ ~c /l~ ~ L. t-./ 4~~.

C~~ -

Page 23: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

<f~ f do de.. z::;;:­~47~ ~/~f4L;-

., ,,~~. ,t

/~ "i~.~ L.F. ~/··

T~~iO' -;:;k'ic/"J -:z:...,r« ~'/ ... /~;A"P~ rfl~ 4~J ~ dJ-4J .-

~r-· ;a7~ -~d'~~tJ~~

/~-

~~ 4r

Page 24: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

lfr. SiciDsjr C. Hsiao

CUstom Houstf New Bedford, )lass.

June 16, 1947

Karine Biological taborato17

Wood.IJ Hole .. Uass.

Dear lrtr. HSiao.

Radt1sh are landed almost entirely ill Oloucester and 1.f' yctl are interested in obtaining :fresh specimens,. I suggest you contact Dr. Alfred Perlmntter, Post Of'Ace Bu11dintb Gloucester I Mass .. who is our biologist there. It]'Oll go up there. you. should be able to obtain Ash less than two days cut of the water !'rom the fishing Tessels as tbq land. It yw need thea i.nmId1a.te~ as they come out ot the water, you 1dll. have to go to sea to get thsm. Dr. Perlmtttter will advise you.

William F. Royce. Aquatic Biologist.

WP'Rameo cc; Dr. Perlmlltter

.. , -:-:----.

Page 25: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

...

Ii·

YALE UNIVERSITY OSBORN ZOOLOGICAL LABORATORY

NEW HAVEN, CONNECTICUT

}n. 13. J... W~ JIh,~,

~ Il-fl (1 #7

() __ .. II (? iffJ-""L . . ~ (lU/i . . '-""V'Q-- : .' .

".,. ~ 'I h ~ Q..~~ ~"'"" ~,e,." ~. ~ 1-0 r~ ~.r~ ~r "",J'",," .., (br-~ 1 r-t--dlJ".;.CWt" .... >L~'~ ~)'r'~ <U<~.4 ~~~ ... J uJ~ J~. j a,w...~~ ~~~J~~; 1 rk ~ w.S L~ ~'1 tC.. o'\M.- 'l<-'-'£~1 L, .

~ ~ ~~ ~?.<L.,( ~ ~. -PL wl.:oL..) ""'""" ~ ""f if" i.<! 1f1N-H~, f>-u-F ~ "'" ~I,A. "" ~ ~ ,,:, tucm/A

j~ :f/y~c~~~ .. 6A~·· ~ ~ J,a.ye·k,~~ ~1 ~r.Uv·~" ~, 'j .;,. ~ "" <tAU. ~ ~,L. '. w~ tr ~ .• ' ~ \MJ1. aA <fO .h...-e j .f,...J. e<> F'~~' ? . ~ tt"'" r 1M< ;;.. ~ ~ ~ ~ ~ ~ ""'. ",;f -Iv £... ~ ~ .' ~ ~ o/h .~~ . .fo .&Lf' ~,0. ~ ~ ~?

f'~ ,~ 'r-" .~ J.-. ~ ~ .~e-P ~ ~ ~ ~ ~ 4.-. .~.' ~ kCf if'""' (.vv-Lt; ewe ~. WJA/,.e ~ ~~, \ . - I

.' "

- ,

'i~~

; :'::.1>t:1\.~ _", .. ,

I:

~ev~

Page 26: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

". 1 -

2 -

4

5

6

7

8

9 -

10 -

11 -

12 -

13 -

GLOUChSTER IlliDFISh .Gb:.L.ERS

July 19h2

Cd,pe Cann fisueries John Del Torcilio Gordon ~ure

Marriners Fish Co Mike Bloom ':'tI'. Kincaide

Progressive .Fistl \iharf lnc. Leo Linquata Frank F aV"c{laro

General Sea Fooif~ Gorp-

Gorton,·?ew fresh Fish Mr. Lenhart

Colonial Ii'ish Co Scot~y Craig ;11l

• f{af 1-e

Smpire Fillot Co Ja.mes Bo:t'dano

Americ~~ Fillet Co ~Jr. CaciillI3.

Atlantic C02.:3t ,:'is;,el'~es Ds.ve TG\:rlor i;~r .. Lufkin

Baxter E,: {Cerr Scotty B;'..:dor

Ste~.[cn.s

Gloucester Seafoods, Inc Bill Brady

Frark Bertolmo & Son Fr1.n..\': Bert~J:ho

Started 5/6/42

Page 27: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

,,'

-..I.

-C~#L<'c,~ " ~ 0 " \ \ ' \ .. ~~_ I -v

A /J ___ ~ __ .'_. +- d .. ·~Ji~r.~'"/~-'/ "'-4 L~~/ f'J~t:£ ~ ~~~ 71 .. ,.,... ~.....-~ ~

cJ'-~~ ~ F /u- ~dlM 17 / /t9~.2. . ~ ,~~~~ ~~~-;;~~.~~~7-~~~' I~ ftf~~'! i #~~ 2J ~. ! i I !

===i=! =c.....L~ ! /11711. i "' .. ,~~, .. ~'~J /J, d4 I! I i . -= ~ i-~,[;~·c~~--"~·:~~----!.-----= -~ -:q ....:::=;--~.=::::..

,;;...:;- ! 1.20-/:2.71 "~'-'f':rrStSt;, .. ' O~.:J I

? I:J-J~-/il·,9' ~i~rJ::r~ j : O'7J/ ' 7 : / J~ -/31 i 0.:,';~:·''1.::-1..''I7:i:~. tJ 1'..3 r :13.:J--/.J 9 j : .-:-.... !';-.q .. ,M' ,'fd.' 0

• / , . -'. l.-k!.$fP.:7 7 . 1 . /) 7 l. ~ 1/1"0 -1'1'1 i :"~·~':::;-T':'~':ii41~1' IIO-j

;3 0 i / -'/,)' -Irlj I' '~::~J. ~_;"j~~~r'~ ,,'ll'f, / IN-a -1$9' ' - ~r':'.-t'9/{-.! ., 2(P 2- 1;..,:,--I.j-tj . t I ;-J./~ 1/' 1 ' J 3 J" .3 I/,o~-/~:v1 '.,1.1((0 1 . ,IS:;" ~ iIi,:, -1('7 j . I ,.2.2".2..- i . /~ b 15- i 170 -/71: .! .2,j-f';L.: ,I f I t- !/J-j--17'l! • .2.9J~1 ,191 ~ !/5'tJ-lf7l' ,3312.: ,~/1

: I rv --I fj • J b "0' ..1 J 2... 1 : Ifo -/9&/ . ~t7o/ . • J,J-/

~" '/f.J--lf1 _,J.-(3J1 .~7/ 1 :~ -~i :;·'~t,.j"'7: 1.212-:2- :~,:,~ - .lei' - . 19'7 ~.: ,3/-'1 .3 I : -..27£ ;uo -2/<;; .,) r; • .331 '7' 1,2./..1- -;;../9: .J",j-I'~; • 36/ .., i.u." - ')..J..'f, • ..$-(11' .31'7 ~ !~,2..j""'-22-r --."/0-1 .Jf/3 7 ;..I...J" -l..;3l'-._~J.I-'1/ . 1'-1-'11 1)..3.;'-231 ,",~'Z/'1'. ,"I~~ '1 '~J) -)..Ll1' .t'lJ1ljc' .1<I9f

..,-0 ';Z..'1.J~ - :2.<-t t , , 1 ~If '1' , .j~3 I !.l.J'Z' -,w"'i: 11.)t~ 7 , j-"3 2... j.).J.:J- -~'1! ,711.ii, J-?7 3 ~O_Z'l' ,!'~9: ,(,32,

¥ ;;2.6,.!J'-?-6c/ ,(;t.'2.. ,(p~f .j ;470-).71, i .t'tt,9.3 ,7&17 ')..7':" -279 i : ,-, t"~7' 17"16 '7 ] ;J·N - ~r'I: • f-i~6 . I 7 (' (;, r :)"N~-)J1i : ,91y'-'/; ,rJ.9 9 ',:l~0-.21~i ," .'1ifA7 ,f7:2..

c. 0 i J-9.j" -.29 j: . ,---' 9 (;j:J. 7 , 9/1' 1 i.3C><1 -30 fi '1f¥tJ .9'1

~ i ' :1 t .2.. ]3?'.J--.3pt l J,,,J.f./ I. "/ ~ 1310 - 31fi I.d~ 2- I.b" ~ 13/<>--317 i 1.0114.7 /.// .j- !3.io-J;:..i: j.p(f;j /,,11 ~

7 r r

7tJ /

j;2.j--b,J. I.O'lb~ /.)'l..

330 - 331 ; /,j~60 /,.2.1' 3J.j--3.37 ; /,1 i,J-.J /,3.1/ J-f'o -3"1'/ . /./'1.1/3 j,JCj

. 3'f'..l~ -3'1f . /./t~3tJ /,J/£ .302' -j.j-,/ . /.;11:1"1 /,J-';;"

2J,r~- -3.57 • /,/9:9 { /.J"'1' J : j(gO -J1#1 , /.1/;/11.- ;,t.j-

. .jt ;.3,,~"_- Jt:.i; : iUS3 J 1:i.. ,j_T' =8==70 _ fJ}¥ =*=/. is .. :t7-J~7r-======'====';'==== ~ J7..1~ -371 ;,i" 91 I,~'b 1 3TO -3rt! 1,).1/) 1,91'

Page 28: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

16 14

12

1:)

8 ,. 0-

4

2

0

16

,; 14 <d

<=l 12 5 p. 10

0 0 g .-< .. h CD p.

4 CD ., 0" 2 '" -£ 0

'" " .... 16 -0

'" ~ 14 " .-<

.-< 12 ... ....

.... 10 0

~ 8

j I"

4

2

0

16

14

12

10

8

6-

2

0

0

RED F I 5 E (R 0 S I F I S R)

DIS>:RIBUTIJ:; CF FIIl3Jl' ',T:J:HmrS AS LA:llED AT GLGUC;';ST3R I:UEIUG A?RIL Alm !r..AY. 1942

!!cva. Scotia Grou

hS.lr B2.5 d on lt75 me· fro 3 trips.

ds

surements'

catch-2l m Uion po s.

7.1

0.0

Bas. d on 3.820 . easure~ent s fro. 32 trips.

1,,4 cdch-99 ::: 11ion p01J. ds.

3·2 0.2

ern IJulf of Maine·

Bas d on 2.001 easurements fro 21 trips.

m Ilion

0.2

ng to 1941

8.1 I 0.2

1 2 3 4 5 Size of fillets in ounces.

lilnclosed fig'J.res inc..icpte the al,,-ount in each one ounce group.

" ... ,-

Page 29: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

--~I-t·I --f--i-i---±'-- -··tii:I-Jt-~rtj~-f:---1::'1::I:~il:--tti:l-f':---I~I:'-:lJJjt:I-~ -l::mljJ:~-jt--~~:}-il--fl-1L!lil-l-1 J- -of I-l-f' --·-~JJ++1'--~-t----,--IJI--j-'-I~--l--t'J-J-jj-i-~-j-j __ )' __ 1_1 Ii --. + _--'-'- .-- ---- -.1"-+. --- --. ---..... -1-.- --tot f- ---- ---.- --- '.---.-_.:- -I-.--I--,--'-! --.~t. .t--_ --LJ_Jl- -_ -'-T --P+-._4-. -. -~. It .. -'. l!--I.+-r.-l. r-I .. -r -1.1.1-- --_-·-L++-r -r-+- -.-1-1-.1_ .--.f.--. \-. -. -. 1- - _oj -+-t--l-1--

I.--, --'. -1-i_ +1 =tt--- =Ft~=t--(:t-- -F--1=-:l-,~ +ttt-~)- -- -~~Ll~- :l:: --r-tl:tt --orr -::. -l::-~~+t=--~-=-F-r:~=-::tjl c=!--!t:r:-tJ-f-:"-=-ITt+Tr=-r~:::t -=Lr~L-I::~tt:j::tl+! :-l.-l-~--I~::----rtlt- ::. '_': _:L.-I-~:: -:- -_:t_ -=IJ~.1t:=+ttt.- :~tI--::I::- :::r::\Jt.- .::I':::J. ----\:.:_ :L. -~--. -: .. --.- ---1::l1. : :-:-tt--=. :- ::+.T_-1-l. :+_:j-ff---.. jlj-!.:=:~i~!~~;=+-'~tJf.t =~i:'::. -. :'.:!:.-.:.-I~~:~~-1~t •.. -.+ J.1=!:-.+:-... ~'.f.-j-. -.I+J -r -iL-t+tf--- ~'-~-T-T- -- - --i3+i-t-r~ --~------ .. -+',--i-f-- --t--- .-l---t-- ---rl'- ~j+-+--·-1-T+-'1~tt-I-- -- ---I++-;---+t -: ··t--Ir·:l--I- - -···--h+·:,-jTJT"-TI-·1

=If f----I:t-.::t-:r-r::l J: .::tFT~ ~l~l:t·='':: -=:f~-T-t: .... ~~~ =r --•. ~~I-I ~L:~~:r -:.:+:l:t~t:~ :~:--.::--1:: :-r:: ~l~1:: ::-j:~ix"'r --: :rt .-:.- :i:::,:_' :T+~Et=I·~· "-'--':-:-':I-~I-f:l: --I~l- J--r :c-p ::1::: .=1 ... -.. -.= H--.::i::f=-.l-L.".:-.. -.tT: .A~I: :~-p~.~. ---~ ~t. '~.'.::: -:~~ :~.' .-~ ~ -. :::~:rl:~;:.- : ... = .... ~~.~ .• :::'i=-;t- =- :tJtJ:: :=-~.J=;. ::~ -.ll. ft.··j*h.,t ~ .. lr~t.i_'.l il tj.~dJt:- ~ =--t.=fif.' ~-ct-~l .. -.'.2 -.if:":! .. :.-f.::.j.~~.i-. +I~-.I-.tr.:! -£P:f- -l~I-T ± 1- ---I--I-=t -t-1J:tf:t:·T-· t~J "'i*l<>.ilIL-J.dr=tl--i .--"i--- - -=+:"-~dtTI .. '.-"-- -1---'-- ---j-f--t~- - rL-t--J---r···t- ,- --lot-rEt -j--£'---11 ~tj-tTt-l t-- -rt----+--lh----+-r!-+-]--1-+----r c_+- -. +~--T~-b'll-~t~L---j+~---r-i-- --+~-+,-~-r-LI--,~+--r-L----r-----.---·--- +-1--'- + -tl -i- --'--L-E~:::- --++--,

-r-I-+- --ri--it-~l~-l -- -t-~r~ -:rtT- j--t --1-' -- -1-f,f"l-- -~~F ~e+ --+t- -rrl" - --+r--r-h -+ ++_+_J_ ------r---r--r~ -~j.j- -r- ---,-.- --~ -- ~- ~Tt-l-I

'-·+r'--·· --i- --r ---'+r 1- --H--+- ----i-- - --.--1-+--,-------+· ~1- --T't- ·IT - ... :-- ---"-.--- -T-r --r--r-tl-+ -t-j-"1---t-- ·.·j--r -- -,----.- ---I -- ---. --. ,+r --h-l-- ........... -.1-,- ~-1-"T+J--+---j-1 c--I·T-rr- '-~-T- -T- ---r j-}- --I---r-- -r-- -- ~--l--j~- -h- - -, ----!-I: -~T -', -"11-;-- ·t·--- ----j --- ~!+--t-,---+-I-+ -- -f -! -f---+r'j------T -I-L - - --+--,-IT'+-I- .i-- --~--IcJ:' ,---I-tl

1i~t_.:=-'---tt: ." ~+:-t.-rT~:.:-=. :=tm;}~ ~ ~·ltF ..'1::1:::. :.tF-II--.I---. =1 .••. :l. t::l-i~---. =- ~.-lj~].· ~ f·---. -=[f:1.-.-.-t:l· :--:r=::tt-J-= ---Fij.:-:l= =tl.:-i .. = .. :=.J. :.=:. -t-,-· .. -~=.q.,=~.:: .. rJ1.= = - -j:.-.. I-.-~~:::l:- :±-U-Tj~t. =-. m-.. --*c~---d=rJ·~:j :~: I-i-J .. ---f· -i~ .,' --' : .l~- -~ ·-t ---I 1-- - -- -l-- -L, - . r--r--, --1'·-+ .... -j-- --tt- f- --- +-r- .--L--l-·---r-i----+ ----~ _L - .... . .. -- --t- -y -- --'-', --;-1"-- --f-- - -- -- . --,---,+-1--+- 1'-,-j - i-I ~ Ell . ----j- - ]-H-i~ -.. , -r ---+--+- t- "Ii' -f~ 1--+--~-- II 1- --t~·t, -t+t--- -, + ---t-n- - - --t'" ++--t---- TTff -~-p-r-~-:ri ~L ----1-tT-~t= ------E- --ret'-----.] -:---It+ -- ·--r~-T--- -I-rl.-ft-,- ----··,T---·+---,- "-'--'r-r-- - ---t- it·· --- -t-lJ--t---t~-+ -;--1 ----··--····1

:.b::-- --I ,- -- -t. -I-~--- --+--- .... .I.E --If~ -----+--,.r-t:i--lTr-r -or --ct±-J-~---r- f--t-T-·-r1--~ ._L ~rt ---Tr~ t ±-+ - J ___ --- +- .... -i' , ! ,H--I-+--:--lJJ , it -~-~:iJ*l~-=--: ~.'- = ~~~lf:i =rf-- ~t:l~,mtt==8=fi =f=HtifF-1=::: lIf~ fB~-~~ =tFf -fff~j-~~-=F± t-~ =+}~r~=', '.:~ -~if~ _~i" .• ~ -=­h ~~. :~llJ~1 .•• ~ Ji JiftrlL~1 :"ftf""'~ T IET:LftL+:fit4: •.. :j:p Jj:i:I:+lt ... I:trj-J.lp: .. trll~lt~R -=:+ '. +ii ::~£tf~-ftt'.-:1. ,~:tr~ +ll~ttJt'::~ 1.:-: 1=t4 mi~: ~-ii ~~::: ~+-=tf: .~~:ffi ttf t1td~:frJ~t$~ .. ~t:~I= -Lr-t· ------ J_ -+ ll-- __ ~L -- --- ---g'- -T

f-- . "-tl-- --t--rJ-~--+L ---I--jjL}-f"~[ ,- ~ + ---tJ-rJ:::. -=--+-l--rr --j···-f- r+' + ___ + __ ,--ij_ ---~----j- -J-t-I-->;; -!--r----- ··---t·j----I --j~-- --, -- --,---- -+ -- - --- -- ~ -+- . -- 1+ -t-- - -- - - --1---(-- - ;;.~ -----I--r-- -'1-1--1'-- - -I--r-'- ----H+!--~-+-,- -- +- - +T!:I - ... -t-- --- ---~I

1'--·--1------ ·-··---··-±--]---.-t---I~---- --r· ~I' ---t---~-- --f_t--- ------I----+!--t-----l-~~~:----~l---1--T-----1--. -+-+-t-- I ---!'"!' - ~---+--I-i- -:TJ=_~.- -[-+rl - H---- -- ~~:: . ~I ~. ~~ -.. ---t-' - . ~----: - -t- I-----t--- .. , ~.. . + . - - -l .. -.---r-~.· ··IT---- L j--LJ-----·---l-1 --'= f .. ~ -,:+--"---r - --1- - --j~I-+ J ----~--t- --11. --- -+-1+- ---r- -. -- -+~---- -~ -----:+-1· --:c ---r------r,--t- -T- ---..... ··1 f i . ----[-:-T

,-,. _. _____ 1. _1.. __ L ___ J. __ - J~-t-~--j---t- -- ~r--- -+- - --T ------ ,-- -. -- - -+-1-- - ---i--- ---- ------ - ----+- -- -- - --,foo~ --. ~J- -- --i ,--- -- -orr' -- -- -c- ----1------

;.~.-- --n __ \il'U __ ~--p- -- ~'-r-- ---j'-~-i· -i--I--f-j.--- ---t--+---$I+------ -- --1-1~1~---+···f'- --l-d-l-+ ..•. --- -- -+l=:-'--l--r-~--- --1--- ...... :'-.:J=-i-i-+--ffT-I.-- .+. -++-lr-c_ --. --r-." - -h-t- 1 .. . '-';:: "';I-...L . ~,-+- .' ------r--11-- ---+--- --+ -~,. 'T+ ~~; --I--- 'f --- -r ..J - l----'--i--r -+-. ----H~ T -m· -,- ~ tr-~ ;----L-t-- ---- -- --I-J-l.'~T ---~--L- .. +- -- --- -- - -~-+- ---->- ~t--~ ---I '-- -- -Lr-I-- -- +- -- .. -r---- +---[1----,----- -~ -1--- --+'- ---j .. 1"-:- - ---- -- -l-+~--rrl-I--:

t-- - - ---------LL --- ~-+- --H-------'------~' ----- -----L----T- - - ---!------ +---- I--'--T----- --~!,- ---1-1-~---~-------,--- . ~TT· -'--,--j 1------ - -- ---'-----i-+- --t- !~~------+-. -- -+ -- -- --rl- --j- ·l---1f~~ ---- -- ---- ---+---f--+/-- -- -- -. -- --I- -- - - -- - -- '-r-1~ -- -~---- ---~ -+-Lf-----.-,- --j-- --tl--~. ~~. =. TI::fT+-·~l ,J.~{ 4J++4ii-th-.ll .i+'-t-I.*+t .. ~.t++#.J r.:::;=:.I~ll--.t -: .. ,="j.~t:~.f.:.-.·t~~ ~T ~L :t: *4~ ~ .. t±: :t.~ ~_ :+ *~ ~~=I:: = ±:lli~~=I,= -i:H ~i!; i :j: ~ ~-J :·,fr::(~· ~.. .tJ~~=F =: * T T r *~ =±:, . ~. I- - -- ~-T ' _C--- -- --'------L..

1 -~r+- - - --+--... --.-- -- -- -'r--' ~r ~-J r ---- +.-.:H- - ---- - -- --1- -~- - ~-+T.-'------i -- -- -- -,--t --!~H-·-f- -- ----H- ~~-I-tl----· - ~ + +- -!- - I. 1---.' t- . ~ t----i-,--. --t-"" I - - I - ~ :::t1" -t-1--~~~~~ = +t::···:: --T=r~:--.:tJ- -- ~~:=-:- .... -- 1--- . -- :--.'. -- ·.~~-¥r~~-+:t .... ~~r:=t:~~-~i!-r-~:- J~::~·¥FF ~::.-=-:::t:: tTr--~-~" ~ :r-- .i::: -li =t -It .. · :. ---- .=1=:: _or --:

-t +: f.r c:,~: =1= _~L .::tt1t I: ==' Jl~±:t1=r. .=,== ±I:i·. :P:fl:t .i:l::it ·ffl .r.ij::tf! ·I~I idJiSA r- . ----ri-- --l-t-· -t---I--- -- --I --- -4-.---[- - -T- ~-- -- ---~ - -- --rt-- -+------- ti- - ----+- -- -- t--.----1---,-- ---~---- -f·-~t ----,-- --j- -- - --J-- ... -- ---iT - - .. - r r 1

.1-.l~.I'=+--= Jct+.- .=Ff-l--.t. -~ r----.'= ·~t=-i=: :::}.=~ -- ~ -=- =t-,tfitj:±. 4. -: ':::i=~.·~·. ·~...lt+.-H:::t:: rJ~ ~l.~·~.-f .. -=:--. j::t--!-:= :-:: :~ ::: ,-:Tf- :1T~T.-:r.: .. -= ft-:~J.::-. --.I- -f.+--:.1:t. -[-1']:+ •. : ·..IJ~ ... -.q:fl::j:-.'':::}. -.l-~--f.-1 '~~r~JI~:j---=H=r .:::grl~=F[tf ± '~~ -~ t-li =fF ll~'~-=ff!t _~ __ 3~= ~ ~: -=-1~f----=~f --:t~~~I~- ~-ltt~~. :=~j~C-- --rtft-:: ~£~ ='tt~fl-rJ~L~ --iJ=~~j:-~··~ I~b _- -It ... :-:-:-l':::~·- J: :-j= ~-~:- ::: :~~: :: -=:: --::: :-t- .-\- ~-l'-'~:t =:r:tH_~ ::=::::b- ~L~1:r -J1::<-t::;J: .:: ::- =:~rT ::::= ---rJ :: ~-f=-:F * ~t= ==:.:: .:::d:r Jj-~: ~: .. :tl----tl- ~1:::'=l.-~· :ttll ... --~ ---- --,-f-- ---~-t +-. - --t~- -- ---l - -!:-: -,1--1-:1= ~I- ·-1-+- --+-1+ +- ------,---p- -i~-- - ---1-;-· + --t--- . -1---1- -1-- -1-- -L-T -rr-r- +-- --~ j- -I· --- +- --l ---} LLL t_LLJL .1_1 ~ -L IL~~~l __ .L1Jhil-,-_._1 ~L~ .. "L_IJ.LL-HL __ LJL.l..tL.lll ; - )

Page 30: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 31: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

WEIGHrNG RECFISHFILLETS

.-GLOUCESTER, NAY 27, [942

ARRIVED AT CAPE ANN FISH COHPANY AT 7 t.M. FOUND THE GOVERNOR AL. SMITH

IN \.JITH A HAIL OF 83,000 REDFISH TAf<EN JUST EAST OF CASHES. THE HEN AT THE

FISH COr,IPANY HERE EXCEEDINGLY COOPERATIVE AND SET UP 80XES IN A CORNER OF THE

CUTT I NG ROOM ON HH I CH TO 1,1EASURE THE FISH. TH I S PROV IDEO I DEAL HORI< I NG

CONDITIONS.

SELECTION OF SPECIMENS

IT \4AS NECESSARY TO TAKE FISH IN THE CUTTING ROOM AFTER THEY HAD BEEN

THROUGH THE ROTARY SCALING MACHING BECAUSE IF THEY HERE TAI<EN AS THEY COHE

FROI·1 HIE SOAT THEY 1010ULD HAVE TO BE HASHED, SCALED,-AND CARRIED INTO THE

< PLANT eE:FoRE FILLETING. AS IT IS, TAI~ING THEl·1 INSIDE HIE PLANT pm1 THE

CONVEYOR PR(VIDED VERY CLEAN FISH ON HHICH TO HaRK AND THE CUTTERS WERE AVAIL-

ABLE TO FILLET THE FISH WITHOUT LOSS OF T H1E. THE F ISH HAD TO BE SELECTED TO

AVOID MUTILATED SPECIMEr~ WHICH WERE COMMON AFTER THE RIGORS OF THE SCALING

MACHINE. THE MUTILATIONS WHICH WERE AVOIDED WERE CRUSHED HEADS AND LACf( OF

EXES. -OF COURSE VIE I GHTS T AI<EN UNDER THESE COND r T IONS :ARE Nor CQt,IPARABLE TO

THE HE I GHOUT FROt·l THE BOAT AND THE 0 I FFERENCES 8ETV/EEN THE ROUND I1E I GHT AND

THE CLEAN vlEIGHT HILL HAVE TO BS DETERMI~,ED LATER. THE SPECIHENS vJERE SELECTED

10 AT A TIME FROM THE CONVEYOR BELT IN AS NEARLY A RANDOM MANNER AS POSSIBLE

AFTER DISCARD I NG THE t·1UT I LATED SPEC I t<IE~IS.

t·1E,~SUR I NG THE SPEC I t4EtlS

THE Ie FISH WERE MEASURED AND THE CLEAN WEIGHT TAKEN AND THEN THEY WERE

LA 10 OUT nl ORClER Ot·J THE TABLE. A CUTTER liAS AS!(ED TO F r L LET THEt,l, THE F I L LETS

HERE HE I GHED ~,~~D THE SEX A~ID CO~·lD IT! ON OF THE GOr~ADS ~,~OTED. U~IDER THESE CO~l-

DITIONS IT \-lAS ?OSSI3LE FOR ONE I1MI TO Cm!PLETE THE DATA ON 10 FISH IN A90;JT

ONE HALF HOUR, THIS TIME AMY PROBABLY 8E REDUCED AFTER PRACTICE.

cotm i T ION OF THE GONADS

MOST OF THE MALES EXAMINED SEEMED TC 9E MATURE. THE TESTES IN THE LARG~R

~IO SHARP SE?ARATI'J~': 2ETHEE.'< THE T'.-IO GW)IjPS. AI_SO THE SHALLE;; FISH HAD RELAT!-

VELY LARGE TESTES AND IT SEEMS THAT THEY HUST HAVE BEEtl MATURE. THE TESTES !N

THIS CASE \'I£PE AfJOUT ONE FOURTH INCH IN DIf<W':TER. A SI!'IGLE 5t'tALl t-1ALE '.·IAS

Page 32: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

CLASSIFIED AS I~MATURE BECAUSE THE GO~!ADS WERE ONLY ABOUT ONE SIXTEENTH INCH

I~ DIAMETER. MORE WORK NEEDS TO BE CONE ON THE SIZE OF THE GONADS AND THE

RELATION OF WIDTH OF THE G:NAD TO THE LENGTH OF THE FISH BEFORE AND ACC~RATE

CLASSIFICATION ~F MATURITY CAN BE MADE.

THE FEHA LES \~ERE EASY TO CLASS I FY . THE OVARY I N THE t-IA TUf,E FISH f S t'!UCH

ENLARGED AT THIS TIME OF YEAR. IMMATATURES POSSESSED AN OVARY ABOUT THREE

SIXTEENTHS INCH IN DIAMETER, FIRM IN CONSISTENCY, CONTAINING PIN POINT SIZE

YELLo\.IISH OR ORANGE OVA. NO INTERGRADES ~IERE rOUND. CAUTION viAS EXERCISED

!N SEPARATING SPENT FISH FROM FISH CONTAINING OVA OR LARVA SINCE THE ROUGH

HANDLI~lG MAY EXPRESS rlEARLY ALL THE OVA OR LARVAE AND THE FISH HIGHT BE

CLASSIFIED AS SPENT. IN EACH A CAREFUL SEARCH WAS MADE FOR ORA OR LARVAE

AND SEVERAL SPENf APPEARING FISH WERE FOUND TO CONTAIN PRE-EYED avA. ONLY WHEN

NO OVA OR LARVAE COULD BE FOUND WAS THE FISH CLASSIFID AS SPENT. ..~

Page 33: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

If'e dP,sh-

L&-nj't-h- £//c.c hkrg~;t ~MZ/d?7..rh7

G; v ~I S777rZ-h vp7/-Y".2

CC;~ /;e..s -'I~f' ij/

-~ --~~ -------------- -- -q2-:!~-«"-h~n~~q/2~s;:1:;r7--·-/~t; ·f:q--Id~- --~--~-~~;,-;--.. - d..ii -- - ~ -

• - J:..a_??7~!e-~~--~~-- ____ ._i.~f'~--'--- XLk£:.,_~_'_ __ ~b_~L ______ M .... -c-.--:~t!r-- _~/~i ____ --"~Y:'~£. ___ C () tf: e-r #-/ ~ f. 31"1 .]'03 ,1-/ ( ;2.:r1 j./ / . 9.] S".::J S'6 10 6 . /. t>3

.... /Ftqht Handtd 317 3d'J ,1-/9 ,u,:?- ,C/J- ·9.5- 6'0 ~() 1;).0 /.01'

,~

C(') t=-t:.f2Y #2 ~~ · /71 J h f: I/a ~7dul

fl. :;1 ,-"

(" .... "

307 .2'77 ,1{1 .2S'jI ,10 ,9..2 .s-y- & 0 /I ~ /,07· .2fJ ;;"7'; ,Jf1 .;L3...J~/37 17'1 ~2 ..5-0 '12.- .96 J.l/tl 33/ J2 .zY.f ,'1j~ ./-t)6- 6.j- 8'1 l~bl·2?-. ~oS ':<''7J- ,11 .2.J-:z. ,'10 ,"It) &3 ~'7 ./;J.l./,tJ9i 337 3..2.5- ,.:{j :;'YtJ /Ij- /..::J..J . r/ _ . r~ . / (, 1: 1,.:1-.3

1

.1 J,j-

;2./.;2. r:2~.j-

:2JIG 32~

3t)3 3ot'

.233 .;21'10-

;zit.

3.3( I r,{'1j 1.~3(,JI I 1 I

, j .231" . 'j{ :2,..:;-"1 I"I~

-3"o .'if /.J.h

,SYI1'

;;1.2.'1 .3' .J.()J- ,J / !9r .30 ;2..31 .31 3/,.r .~-O

OL7..2 ,"17 "'-'1'1 ,""

~.77 /./3.5'/

.l~.J- .3J-;;2.36 ,37 ;.f6 ,'1,

{,I( .1/710

"9 -~ j

20;;.. .J/ .2./7 . '.Y! uJ7 ,IiI

?

/9r .30 176 ,;2.J-

/69 ,;1.3

U)-</ .3/ u;9 ,J./J

.2L/1' ,39 ;;.";1<7 ,3f

/Y'9 .21 .:20,:2 ,'3/ ;2..7'1' 139

,..jb ;;..6 ;;2? , .1/2. .;J../ ,;;../ /It) ;2./ 2-/ ,~.2 36 3~

.99 ~:L ~~ ,yt; ..)1' v'S/ .92 &1' tty

,JjL .2'7 ;21' ,r:"r 33 3'1 ,?.;;.. -Yff' oj!:,

60-,7(: '/1 .<19

/5.3 /,1 g'l .)"fS'.

,c -.".

/J,~j

.06-'1 ',7St if~ (,2' Jf;;.. '.62. 1

61' ,1'3 /;;.b /,10 I~ ~ /,,,3 / J 2. /'/'1-;

~.oS'

J-.j- ,'11 61 ,:fJ 9Y ,91

,2.5'=' ,

~/,

c=~--="'=========== ===========

Page 34: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 35: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

· ._~:~~=~=--~;j~~::~=~:7r:::=:5L7:: __ c=:~--;~~=-;; . =-:~~I~_ !.u t f: t 7 f:L 3 ~ f- 305 ,lIf ;:;/1"7' ~ 41 .2.SI ,J.(o ,9/ "-6 ~-6 112. ; /. "s: I?t g h -t /fc?ndL/ :J:;.;f"' ,.) I :JIb ,;St) :L~.z ,"13 /.t)./.. ~ s 77 Fib /./j

.2J(j 2~ .3~ :2.a.r ,JI /76 "7~ 2? 70 . r.j-)..2./ ~/7 . Y1 /0 .16 ,..5;; .23'"" ..2..5 - ,j' 3 .7.1.. ,27~ ;2.70 ,~j ,;2.3.3 ,37 .71 ~6 ~2. f}$ .91 3tJJ- ,1-/1 27,F ·Jf7 ..2..5"6 ,'11 ,<Is 61 ~.,.' 1,;2.5- 1.10,

J,&O~-·~/ ! I.JIN1 j

;pdf ;;"19 ~/ .Y/ ,;J.().j- ,3/ ,7.2 -YO . 36 . 16 ,'srfi :;.{.'1 :J.b/ l'f~ ;2;2.;;. ,3J- ,77 jib 39 g'.r: /';131 :27b ~6 ,J./~ .2;..j'"" ,3(;. .7Y ?i6 71' 'to, 9j"j

~w /12 ;2.22 ,'jf ,71' "1'1 -¥?' 9.3 /17: /,/gJl . 3, 1J j

,(,73'

I .,

c()'tf::e"f -/d. ij 4((. 33/ ,.j-).,. 3.2.2.. ,J-/ ;)70" A1 j,~6 1r $7' /6:2.. • l·ll ' ,If; j !zi= !/:m d~d j.:l~ ,S/ 31"1 ,.j-o ~6 .'i ;;.. 1'7'7 67' 76 I¥O · I. IS:

3:2&/- ,.j-; J/S ,So ~9 .JfJ ,~? 79 7.5- 157' /,19· :J/~ ,'f~ .29;- ,11 ;;"S::J .;';0 .'io 6.,j' .fJ /;1..:2. 1.01'

02'10 ;279 ,1/ S" ;23s .36 ,%'6 S1 .f7 //6 !.()6;

;?lb ;2.J.o /31 IffJ .'J.7 /1'1 .26 ~/ "11 .'1: 1/'77 &.37:

I

/.'l9QI

7cl1 217 J.&9 ,4.3 ;1.J/ .3~ ,g-I "If 00 ~9 /,~

J-Sb ';;'~I ,31 ,Jo6 ,3/ .{,.j- Jf" Ajo 11 If? :UC; .Mo ,.If I ,;L2J.. /jj- ,73 /1.1/ "1:1- 7"6 ,93 ;2..S() ;;/1/ ,3f 206 ,J) '69 4.,2. 3j if ,'1/

/,~o 3,73: ."4/(

137 /),/2):

Page 36: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-----.-_ .. - --

s~~~~~=~~:~;~~~-=:;;:~~=~~~{:- _=:;:_--~-~~=;~L~==i~_ . cc-Jt::keY #-J- ti'f' 3/:2.. .363 .J.I1 .20'3- ,J./-/ .9.2. 6-7 61 lit /"n ,Ler-t- ;I"nciu' 3.3/ 3.2/,5/ ;2.1b 1J./1 /-011 77 %.5- /6;;2. (.21

;2~7 27'1 .'-1$ ~3g" .J( ,Y-Y G:2 G/ I~ /.09 ::viI 23.] 1'3'7 /'If" .30 .66 .;l.J- ;2.y S'3 ,11

/, rf/ ;,;,o't 1·(1~9

J1?l .2tJ'j ,).o~ , 'J I 173 .2J.j • .;/0 /7 /'j ..3& j ,j'6 J.:;.b ;l :J..() ,'31 19c; ,l8 • .::, -:J ;l:,- .2,/ . if9 ,61

U,3 ~--'/ ,40 :z./v- .33 .73 ~3 "I~ r1 . ,94· ,u,J- ;/.06 ,41 :z./6 ,JJ /7.2. 3r -7'2- ff() ,10 : :2.'73 :;"6/ 142 ;1.).';- ,3f ,'7,,/ /1/ ~2. 1"3 .92-:L7,j- ;1.1.6 .4:2.. J-;L7 ,Jb .rl "17 ,F.;L 91 ;'00

;(.3~ .s;ol· ,t~l~ ~' ,~.

411 9,/()

(

C i/ /:: I:a)f --/:it, ~~ 279 ;2..(;'9 ,4-3 .230 .36 ,ffl 7'6 7'.:;- 9/ .'16 IF/ghf: lI~ndt<l 31/ ,11 ~6 ,,",2. .99 7..3 73 /4{, /';'

;)r6 ~'7..:;- ,41 ;2.3<5- .37 11'3 ..53 "1Ft /"J /.~()

:26i .2~ 7" .ljO ;)./ ff ~YI 1?.2 3'1 Jfl "-0 .9cJ 3cJ3 .2.70- • "11 .;2.rl IJ./O , 'II ,F7 ~o J /1 1.07 ;2J"1 ;)."19 .11 0 ;11..] .33 ,1:7 .,36 30- 1/ ,rs-33f' 3.30 ,52 ;;33 ,1./S /-C)Y" 77' '71 11..)- 1./6

3.1S' 1,/0 1,~J.'11

j/?I :J'7% ~~r,Jf3 ;;'~'1 ,](.. ,'ff!) "1/ ~3 tf'1 .'ll.

;271 ;2/10 ,43 .:23.3 137 ) 'j,j' 4/7 7'..j- 1;2- .96 .2S''1 ;;;-'11 ,.I/o ;2../~ ,33 /71 3'1 3':;- 1'1 .1"1

I'l~ ,2,1J ,.r~~f

1f~/ 1:/-'-->J~:

Page 37: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

--I?edhs/i ;It' 775'&- /-i //t-£ k/~ /f,4 2f J?t! k L/ 0 1"? 5' /?/~.

5' a /77:t -hs e,/-' h ' /1/,,;' y c2 ~ / 9~2-

cJ;C,L" GhVc.(!.J ~t'Y -f/..2-ft9 4.<­

r-ill,ri,gd by #61YY/77CY~ hs" 6~

". --- '.- .-... - -'''-'--'-~---'-~iit;71;~Jir--''X;;'!r 1.~;;'---5i:Z-:";;~----Vi:-:--·~Zt-;7:-'~--Ih;~"i---- &~-7---'-T---

__ . ;J~?(I/:!~ ____ ,"-~::-,,-~-,--~~,,~.f'---~~-'-!:~!~ .. ,--. _. -. -,-=,--,,~.!og _,-_~.c. __ ~i' ... c_-__ ,~~:~c-,,_~.'2IIeL:_~. -, !=/~:~.-~-Cvi~e}l iii ~~ 3-'1,:;- 337f ,S;J. ;Zg-~ .4S' /'17 9:<. (03 1905-'/,;;.9

3~.j- 3-D .S.:t 3"-3 .11 ,/'/ Y /I.j- 11/ .2.u:, /.:3:J~

C;.I'l::i=e.y #"2 fj ~

f?t5ht: H~ndtJ

H ~ J~~ /~-<>d .

;[I?'

J1?f ~ ~~

/IAJ d .

C~ 'i ~

~"J.a . r-: cP .........

~--

313 3t)"I .Ioff ..2.61" .J.f1. ;'~;J.. 'if'" '1"1 /-J-,2 /./f 3/.5- .3t:!J- ·Jft .2.57' ."1/ 1,1t) , 1',3 ~1 17/ /.').3 :U,:l .2J~ ,~O .:2/"'/ . 33 . '7.j- ' , "'I / ~:z ~ 3 • ·9 J..,

.;2.JO 27/ 30/ :2fj,J-

313

3.!n 3// 2,4 J.1.2 ;)'f'6

3'16 3;;.,/

J..t'3 ;;.4.3 ;26-'1

,

2,~J ;(.a1.j~11; , I ..2.;u ,3S 02~.2 .~l :J.ftJ .~ b ;J.?"?! ,I/:t 3tJ,j- 11..1'/

J, lie

34-2. ,"')-3

Jo I ' "1'/ ~-(, .1 I ~4f .J./~

""9 ,'-IJ

330 ,S.2.

JI'1 .j-O

3· J1

;27# ,"/1 237' ,37 ;;.ssr ."11

I,ll.

I-/:tj

/1'"7 .11 :2;;.3 .3j-

;1./-/ f' . 31 ;2././tJ y{

..2"3 ,'/~ 1,1~

,;;. '1/ Ab .). '6 ."1/ 219 .J4 ~~~ .3J-

:LU .3' .2.1.2 ,1./;[

J.'7.2 .1/3 ~.-;O

.237 .37 ,lo..2 , '3 /

.uJ .3"-(.0.3

... 53- ,

.~()

.'J..j~

.93 ,'105-

/./0 1'7 f .71' fl .ff"~

I. I?! /,,;) :<.

. Yb ·i~ ,76

7<% 7" ~£ ~6 f.3

9g-rtJ

0--'7 3-1' <¥tj

t"} 73

-'16 ¢,-; .J0-/CJ/

rl

05-7 .37 ~o

• j 01: ,16i 1"7'" .12: /3/ 1.1;1-1.2.:J /. /0 /.2 ~ /./ /

'77 /.2::,"'-;4,3 /,/6

'1:2- .96 /07 /.03; / () <f /.~3

11r 1.30 /6/ /.:J./

7.'1'1-

/1'/ lOb 71 ' t.j-17 1.00

~,1/ .

/o.7:J:

=====================""-_-==0-=====--=.,=

Page 38: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

"

...

!ital L~njtj ;;Ylrj~"'j.t~ .fi.j~ngiJ, )(It:. .It't:~ !Pt~/;f: &.tAEi/ki~

_ . .5..C7. 777j:?/~~~ _c..~ If __ -'-=-_'-___ I.EJ._, ___ ~.c.'_ ___ - ---~.J.-,---________ ~~s..:_~ _ _c_~~~.--"-~~//:~~-'" I'i~~~:_'_-_._~_~ -'~ __ ~_~.f~~ ___ _

Cvi:j:(.y -t:f--.3 ~.f .39J 3$'~- ,.5"1 J3-'1 .:,-:;.. /.2;- I':;~ /~J .lk.3 /.4).

C () t:. *e)' 'I:i~ ~!f.

fj/ JA r-I4-nc/b/

~(j 5..---1"r T~ ~.

6T?l

8ft? ~ t~

/I-d iI.

yl.2. 3;)..1 ,S). ;2.g / /-tj- I. / ~ fT9 ,PI /13 /./ b .2.37 .230 ,3b /96 ,~1 >0'"'1 .27 ;2.0 19 ."9 .2~.j- .2/'1 .3"1 /yJ ,;)..1 .,F~ ,;2/7 /'7 'if:, ,bb ).!j'''I ,2,f"..F ,I./S ..2L/ .. r ,31 ,F.2 ""'..$- ,J 6 g / ,91 32,2 3// ,Jf.9 .26-'1 ,1;;" /'0/ '7"1' 6;,/ 1..3,--/./4; 32,2 3/,2 ,1-9 .z6? ,1.13 /,tJ"J. 73 6() /33. j,/l.

.26). 30.r ;27'1 334

;l'lo ;266 J..,j-1 :2.76 .:2r.;2

:2f'9'

3.?J/ '-,17 ; J,tO 1

;2..1). ,l{.j­

.:26f' ,43

.2%9 ,J./b /,31

.2S3 ,.1/ 0

J-.77 ,J.J7 ;27/ /13 3;;'j- ,.;)-1

/''{ I

.2 f",}. ,J./ :r ..2.5e ,'11 ;J/{.j- ,31 ;2.; 'I ,'-/J. ';;,/,j - /-11/ :27...)- ,11

~;S'~-

J..j3b

.:2'1.2 ,:31 ;2.27 ,3b ;247 .31

/.13

.J./,j- ,33 ;2S"b ,,"/ / .l33 ,'37 ;L'Ttf ,J.f,:;-

/..:t6

2£1/ ,3{

;.../'1 :3'1 .2/.2. ,:3 3 .2:lb ,3j-;J.36 .31 236 .31

J,,/J./

/16 ,91 ,'1/

j,()7

,'/:L ,77 /7,;;.. f/ ,9"...)-

,Y.2

q/ 3'6 .5-7' -'16 .j-O ~.3

7'-'1 7'1

033 ~..3 .<.(3 3Ir ~2 37 111 3/ -<IF' ..til, ,F; 7'6

/()3 /,ol! 9'1 .eN,­/~6 j.()O'

3.co;

/v,/ {)

I 1r ,90 : I~<J ;.e;;... '13 .17

173 /,;..1 ;f, I~

96 ,qf fl .ell 79 .70 7~ .16 1~ 97

·17 ,11

~--.,;,/

qr:i ,- .

Page 39: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. (.4/L17?,J'r,f hY;{-'!&tf£.J; Si./.~n!t.J; /IIi:. Le~,.t &jl7J:-&.i-(-7./ ( ("' c: hlkr hike ,/i//<--5;

_:-:::'C!~/?-!..~-,,-_c.:!£.~-.=~--=~~-!~~~'-'-"-"--.. -.-~~--~-. ~~_.!::!!!i._ ... _~_-,,--,f~..ff-~ __ ."_~._.~~'. __ ~ __ ... '~~"-'_""_' '--_,,-,,,-.~,.~.f __ .,_. __ ._ Cutf:ey 7::fS ;!j. 3;'1 3~~ J-/-9 .:2.66 .1:2. ,9'1 6 Z '7/ /39 J.!'-f

.2.302 .2.2.:; - ,J.S' 19/.# ,06 ;27 :y/ j-/ , '11

~ 5" ....... ~ )?",,~,

C vi:: /:(>,# b ?f-~ (f E. FI'.J,tJ;)

/ltJld~ }/olnd~d,

f2~ .1 ............ • 1:~~

/J.AI.cf. .

I'? <;-~

j~Wth f?--,AJ J.

(:'ok~ ~ ~A~

Mel,

-r' ~ ~~J. ~.-

. '1w~ J tT"" "V'..k

(/ -',V"-Lu::::...:.... J!r" .......... I. . '

"-- -,,' c .. l?::~"tiJ

c{.vv,,~-:...

/~~(Jk;:t;.

.276 ;Uf' .'-13 2;)7 .:36 ,71 "(3 1":1 '7;).. 8(; 3.L/3 3,y1 ,SJ. . .2r£ ,'16 /,/~ 9 F 91" /7.2 /.;;.f JLlo 336 ,.:f~ :2J'/ ./..f.!:J- /,t!J6 79 ib?, 111 1,'7' 21'6 .)76 ,Jfi{ :237 ,31 ,5J- 7"9 -5'-:/ . '13: 1I'r ;2.7J- :2~6 ,tfb ;v;g- ,31 ,~7 ..);J... "7"-'7' q(, .9t;

3)../ :;.13 1.;1./1

j~2 3~7 3;'s 32{)

.23/ dJ.. ,2;2.4

216 .1.~-

)2/

;).7"; ,'11 269 ,43 .4 c ,J.//

/,3/

3.j·O ,S-1 3.5'1 ,.s . .:t 31-'1 ,$0 310 .49 ;2;2.3 ,-3S 11'5.J? :2-1 Y • 'J'i

3. 0 J.f

:277 ,J-fj' ;2.7~ ·J-f1 ;2/S ,33

/ ,"J.J,.

J/20

:; 6.fJ..

, .,.u~ I /.f 0 :2.J(j .3/:, 2~2. .3j ....

II tJ

300 I ).j<{ .306 ,'"11 .2'7.:2.. ,13 ~ , t.f J. 1'12 .2'1 /..;;-f ,2.0

/ 'i1f" ,").7 J.;i1

237 .37 ;; 3'7 . :3 '1 /13 ,.1,

I,CO

~;1..1S'

:

/'/6 g-i' 7~ 17(. /.2:t /,/2- ;'"2- ff";2 I ~"I p,l; /,0;;' ~'7 70 /37 t·/if , jJtJ,2 7/ -73 /-'11 /.I/;: .,nl .2.(" .2.-';1 ';'~J. ,7;)"', .3/ /-'/ /.r :29; ,JIb, ,..j?/ ::zy ;;..:] .5"'1 . /71' ...

H.j

,f",:,- "/1' q'~ 91 .91 ,'/ / J-Y 712- /tJo j.ot;

,SS ;L,J .2-~ 1f7 . '~1 ~ .;,6;

93/

bI.l1

Page 40: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

. .

..

r?e d fits h .

ytp ~ ... .s~ ...... P..wd.

~~ .1ft"Mh P/Wd.

Cvct~'I' ti:2. 1.e.r;.i:: H:z.."ded

~~~ S 1::7

Pc?' <" ~

s~~ ~rI.

~ ~

-k~ /k'd.

.U-

J7(jT

J'l/ ,4S J3:J. .'31 2/0 .~.J :2J'1 • Y! J-j-;J' ,if I 239 .3r 2:2. '1 . '3b .2.)7 ,3&

3.oJof

;2.3' ,37 JLf3 .'YI 3M, ,S{' ;2;'~ .3~-;J..)S .j/.,

.2 .02.

n9 . '-IS ;u,J .'3/ ~90~ ,17 .ut" , 3j'"

1-'-3 ,ifo (."If

10/

.23. .57 /11 .l9 1 t:J~ , 'J. 7 . ~"I . .3/ ;2..).j~ .33 ~o.J .~ / 196 .~ 1 196 .J.1

.;u,3 ,'3/ J..tI r .J.:l.. 3/..5- ,jO

19,;. .)..f

113 ,;)..~ /170

;1.37 .37 /7/ .lJ .:2J~;L ."10 113 .:J.1 .)./6 ,33

/.6. 'L

,~"3

.6Jj

/7-1' .66 ,6/ ,J6

."3 ,6b I·~ .S1 ."0

,'l"f ,"16 ,11' . .J~ ·73

3:2-d., 3.j-37 31' ;29 ;29

3A/ 3~

/;2D

;;J..~

.~

.:;-;' /9 "'If .27 39

3:L ;)..£/ 3:;,. "'it) 3r 30 ;:<.'1

3~

3'-1 /.:2.3 ~7 30

.r; ;'3 .J~ ;;.7 31

/.).7 1./0 ~5" ,(/ So ,7a ~7' ,13· ~7 1~1 ~b .~( 07 117 6-y .16

~,1'f

?o . 1".j~ (,( ,13

;),'13 /.39 .j-'; ,12 .5"6 .7S

Jf.SJf

/03 /.CJ/ /..}:L ,61..

ItJo 1.00

6'"¥ ,13 71 Ifr

If.~

171

Page 41: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-.' ..... ~.-.. -.----.~.-----.--. FP-;j;;~.ffo---··7X--Z;;;;-;i----;;;;:¢-· ····-~{·----~~:;··-·--/~~j;-~-~--·-~·-~--·-T-·

.... _ .. _~E7j?L~ .""_.~~<:" __ ,_._,_.. _~,.!:~ };.;_._ .. ~,~_&f-..-. -c~.~-=j.o~"",--~ _~_c __ ,,,-.. c.---";_· . -_. --_. _~~':.f:_.~,.~.~c_: -,,-.L-~~l , ... Cvj:~u H 3~!f ;2.01 ,30 173 ,.21 ,"W .2.0 17 3'7 ,S7 dt$~;t:- /;£;'?7¥~d' ;1.70 ' i.lJ 233 , 37 . g",3 S6' 0-; 113 /' tJ.:J

3.U, I..!J~/ ;l.rj .J./~r faf 'j 3' fLj /r2 /.2fa 2GJ- .'1;2 ;J.;l.'7 .J/:' .?l 'It 4'J 1"1 .9::/ ;1..6..).4;;' ;J..:2f"' ,3~; . '76 4'2. L/£ rr ,91 2.1/ .J./S ;L~.2 .31 .79 J") "19 /&:'2. /.01 :2.31 ,3& 17'9 ,30 ,s9 .2J- :zy .j-3 ,1:1..

~.rj 2..4.i' ro.so

fl?7 ;2:J-J./ .J~- 19J.. .;;;.t • .j-;L :16 ::u -jlj .&9 ;J..2.J .Jj~ /91 ,':d • J .... .If 2'1 ;;.?' ,5-7 .16 ;lS1 ,~I ;lJ../ .J'1 ,7,2 .tf.2.. "'fa %:2. .91

?t?~ 1·11 ,90 ~.3& J' F.

~tt::- ........... f?~.

~ ~ if. t>1) qr'/I "'Jl~

..1Jt .. ~ W:

Cv t tl7' ttL! Ij. ~ 31:J.. ,'-11 .261" , 'i3 ,'1/ 73 7Y' /J7 1.1'1

ftlJh f:; f/:;nJLd 1/1 .J.L/ Iff ,~b df' ~.2.. ;2..2- 4/1 .~ tf

..l31 ·'31 11.] /:2.1 .~O ;J.9 3.2. £1 ,11

~~ ~ /.J.() ,cIt ~., I ':;'P-::.':~

/S."",d. f!l3' ~o .'-1/ ;L ;).41 ' '3:t ,7'7 'If fig- 72- ,1t,

).;2.1 .36 19.j- .;J. 9 . J-"9 ;2..1 ;1.7 ,J-6 ,7..!:t • )..g9 11ft :W7 ,3'1 .r7 67 62. 1/9 /,oY

)./12 ,3 '/ :2()7 ,3':<" ,11 1ft) 36 76 Iff :2-71,J/i. ).3"7 ,37 .n J-1 60 /17 l,oJ U;2 Itf~ ').;2..J . 3~- ,77 -"It> 3%' 7~ ,f1 ').~-1 d~ ,)./ l' ,31 ·71 37 37 71 ,17

c!'? ~ ).,'7 ;),1/ c.,so .J, .

It:Z ~''i' ~ Jf01

q'j 1·1

Jt?~ l?.u-d.

Page 42: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

..J .' ...... -~-- --. -- .- ... -~--.. -.-- h~7r 1:;-;;---'5 j~LeT1q1:r-T:ii:-, -'-'-'-~:tt: --~~~r-'-~O x.;;;~·~--------·;-T-··

~ __ o_S Cl7'JIRL~_,o._._~5, ... -,-.~-~--,-,,--~f:-. _. ~~~-~~J,-,--.-. bL,-,-,~.~-,,-___ -C.._o .• -'-' __ '00._0 -'--"'-'-'-~:-7--" -' '-0'-_' i.."'-'_-__

(vi-tly #S'~!f. 3ffJ- ,SJ./ J..9! ,~1 /-/0· 7'3 96 /f/' /'If. /PtJfd;/';c1"r!d~<I ;;2,,'1 ,1-/3 J.:}1,36 179 .4f'l 16 '1 .. r ,9(

?? ~ :St~ r.:~

~~ ~~ P~cI.

C"j;-i::€lI ttb ~~ /fj g /J:t- 1-1 n-z cI d

~~

5~ P1.<!>c/.

-r-: - <:' / ....... 1'. ~ ~a....,.w

S~ .~ c..;.,~

.j{r"-~

Jf.2 ,1-1$ ;2."'1,] ,-::.9 I'P? J-";; ,5-'7 /12 j,~s-;2.)1 .'i / ;2.,;).0, '3'1 176 -t( 6 "1 .. ;- '1/. 'jb ').I~ .33 ItS .:Lb ,06 ~1 .:z.r 0~7 ,16 ~~.5" .31 2t>9 ,J~ ,£1 3,J- .3"; ?tJ, 1".5-

;)..j";j- ). .IJf S,1(

;;.~ .3.:(

J.Jj .3' ~S .35 ;),37 .37

I. L/.j

3'1'f .

J$".;l.. ,.j-j

;;...31/ ,37 ;2.l{, ,3j~

):;.1 .:3b 3()3 .""( ;..S't ,J-/ /

l,SJ.

Ji;o .30 l-7~ ,"13 ;)1.'1 .36 ).23 ' J-.s~

/,41.(

J.3.7/

19.1/ ,;;.9 1'17 .29 /J;;. , J.f

;2(J3 ,3/ 1,11

30.1f .4t6 J. OJ ,3D

19.1/ .29 19J- ,')..9 ;2(,;2. .-'-IJ.. )",,1'1 ,'YI

J.I')...

/'7~ ,23 ,).32 .31 l1.:t ,i1 /1/ ,;;..<t

/,11

,oj?; 3j

.~/ 3" ,v~7 ;;..t" .63 31

/./j~ 10/

·'3 30 I(.~ .27 .02 3/ • 'j 'J 7~ /73 41

:29 ;.?" ~ :J/

1/)... sS" .3/ 3t. 'i'"11 '-/0

~C! /7t{ sf ,'i6 .j~7' .'73 b::L .79

3.oto

;2./3 /.33 6J- . 'l/ 6{) .1f ~ 1 ,13 /S1 ;'/~ f/ ICj/

.5;'i:[

3/ .49 /<YI 1.()2 Sg 116 "-6 . 7,j-

3," 2-

$J..71

7~~~F=====================

C<:.vl/>!~

J?l-tJd..J.to.

pt." 1

Page 43: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

..

. '

/l/c¥ ;6/77/C-t--S

?"3,4 T' A fJ' -J-5"

...... :~ __ ._~ ... _ . ____ ... ___ . ___ C; tic ~.<:{_._by--.!.i~~!:.(5~(y'~.-.E:!._{_)(k<!~_c:';':-_~ __ .. __ . __ -._ . ... ---.--.-.----.---.. -.. roJl,f jt!nj~ J.i.J.."n.!il7 (A/i:. L~f--=- /i}fh/r B~t.,f :! 1

. ____ . .2i:l:?271' 1€ ___ ~3 __ .,C_:.c __ .~L!:~f..._~c _ _".i.~ L'?f!_.-'_~~~~--',,-'-;;;laJf-,~--.h~,.-~.:~:~~~,~,-. _L_. __ L __ "'-.~_ C" /1= e ';f t/. / f. f J 10 ,IfC( .J cs . Lj:L. /,(j() 01 6 / / / f /, iJ 7' /.e,C.;t /-Ic;71c1ed :v-(.:l .J~ ;).07,3:L J7() ,;2.3 36, ,PI ,77

( )

Cf.)j:i:e.Y i::J:L

te.::'i:: H01-rtd.e.d t4 f pY l. 71 i: I , 'L

Joo ,1ft .2.;7 ,1/ ,96 ..)6 69 /;;;.5 1./0 ~~ ~~

J7 rf'l ::1..:;'1 ' 1.1 / '-b3 ,42-.,21"6 .J." ).J/ f' • 3~ :vir ,J9 :Li"..2. .L/S ~I ,'1:L

J.91

~~ 303 ,;.;<{ ;;..jO ,1b ;..j-9 ' J./ / ;;.6.;2. ,12-31.j- ,0-0

)..1'1' ,47 i..71

1';'1 ;;'19 .J./:r :;..S/ , '-I/) 2/7"1 .<1'-1 ;;l~-6 ,'-1/

/.10

.;2.2. ... ,3.!!- ,re>

.;l.~ ,3J /77 ;<."It ,39 ,90 2/.l. ,33 /13 ~/s ,33 ,7£ ;z.:Yl .3t .9.2. .:;.:V/ ,JJ- ,'19

J.'o ,41 .96 ;JIlT ,3'1 .9/ ).:2d I J 'f ,,!()

~ .3S ,7f )fl/ ,J.fj .99 ).,D- ,If/ /.tn.

;2.3.2 .37 .n ;;;"1-1 .33 ,1?tJ :A36 ,:;1 ,37 ~/9 ,J1 .73

3.:L.. 3'1 1,'7 ,f1 L/.2. ~:l. PI ,'1) .. ; .j~ 6::;- //3 I. oS-3'7 -'-II 7? ,17 ~3 37 50 .9f)

....s-.j- ,:;-'1 11-'1 ;, 06 3'1 ~6 rs /13

fs,,s~

1Sj

t;;f 11 pi;;.. /./S" oj-1' .s-'1 1/7 I.OJ "I,;) StJ 9)... .9~ 4"1 1'1 9/ ,9~

7.2 ?.I/ IJfb /'/6 bY 76 13~ /.1"/

,$"/

.. f3 ..j~.3 ;0, /,13 36 3J- "7/ ,is' ,F9 .,j-f" 117 1.01 J.f2. ~-"I g"{, . ,9.3

3.ff'

/0,302.

/LT'.',

Page 44: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

" . a

c:1'?1 ;;).6"1 ,41.- - ;;2.2.6 ,JS , '?" I!) ,.5-/ ,j-p /tJl /.00

~46 ,31 ~7 .3 ::t ,'70 42- ~3 r.oF .93 ;).1,1 ,'-11.. ;L)..~ .3,r .~;;. ..j-.:z.. ,ro /CJ,L /,01 261 ,43 :;';"''1 ,J6 ,%.3 -'1'1 "J,j- '7'7 ,qo ~11 ,3~ }.../)f' ,32.. /1:;. "h_ ~2 ri ,9;1...

;l!f3 ,'-IS- .;u(J.. .3f .rr ";f' ~6 IFI /.06 ')..so S.<j~

..;. ~,

i

1,01 1,1-jj-

C{)J;;-f;e:l ~1 f.f ))IS- ,.39 ;)./J ,33 ,bb J10 37 1'7 .11 j'" , y. . d "3/5'" ,':'-0 ,1.}3 fo g-o tio I,),f) ,r, jl7t r '.In<:ll ~'7{) ;'Of)

A?'p"I'~n.I=" e. '270 1~.3 ;2.33 ,'31 ,7'5 oj-I!) "f0 'it) .,/J-

;u.S- ,'12- ;')...7 ,36 ,71 Jf7 38" fS .93 /,71 j.11

(J5f jJ.! 1 ,39 ;/../J, ,jj ,(,;{, 3'1 3/ 1() .r-.r ;;..S1' ,~/ ;)..13 .3~ ]'<" oj-;).. "'17 1'1 /,00 , '" ;213 ."11 ;1...3/ ,3' .1.3 .5-:::'- .;,-; /,:j6 j,03

;26(' ,1./1.. Xl7 ,36 /l'i" .3'7 31 71- ,11 JOt, ,t./ ? ~I , 'i;;. ,9f 71... 0419 /~ /tJ(

~t ,1./3 ;L'JD ,J6 ,1if Sj 067 1/ [) /,tJ,/ 2S( S:<{1

,,-...,,

Page 45: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

'oj .' -~ _-'_"o ___ ~ ____ ,, ______ "'_ j;-;;I/,,-;;;;j---;TL"77ff~f~--h/L: ---7;-~: ~----;?;5h:~---:I;;;};7fs------:-----------------

___ Sa'P!,e.!<:---- ~)(~~_~_= __ !£j'--,'-'.--__ - _----!~~_=--dqJ'.------_~~~~-~~~, __ -_,_..:._~f:.~ __ ~'"_ ,- -. __ ._-" Co ;t-i--e]l' -.t:TJ ~~ ~g-() 1J.f~ :J.-lIJ ,31 ,?'6 v~ ,rJ /OJ- /,0)..

If} S /J.t /1ii'~.1 ;U·I ,31 I q .:).'{ ,Sj ';;"6 ;;2.~ ~ 67.1/ ;27.2. .1./3 ;2.3() .3t, ,1"j .pl -';0 /07' /,t))..

.2..]/ .3t, /9Y' .30 ,t6:3F" 32 7tJ ,(.j I,St '3.&D

?Jl" ;;.,J~ /-1/ j'lb .J1 J-2r.j • .3j"'" ;;.1£ .33 ;.2J;{' /t:J. 2.6.3 ,4l.

~.3l.

J.2{) ,31 .7J- 47 1"7 - 'li' ,91 i

'-It') ,3 ;t ,7.2 if3 3~ sri ,ql ;<12 .2f .to 32 ::2.,] 0'-0- .'7J.f IY0 ,ll] .. ;j?g :vi ~ ?'~ ,61 ;l3D -.3", ,srI .::,-/ 719 /00 MO ;;";;'b ,3.s- ·7'1 0"-0 "1'1 9'1 I. DO

,j:2b .,t-.;t".' ,

SID S:1h

';

Cu i::i=e.y 1::/.(, ~!f. :Z::Ji{ .31 ~b"j ..3/ ,6~Z. 323 36" G'~ .(3

t(,5' hi::: l-knd'ed 2-d! ,.3:2.. 11t- ,:).j- ,"f6 :4.f ;2..3 :'11 ·~1 ZJ..1 .3b 196 I_::l.~ .6";j" 30 30 60 173 1&1 ,Jf3 :L::l9 .36 ,1( SI .5"1 1t1;J. I,t/ .l5"2 ,1-/0 ;)../'1 ,33 ,1/ ~I 1-/0 'T/ .9/

/.f1 1,:;.0

• ;]It' ;;"'76 ,1·N ;LJb :37 .3':;- .j-.f, ,,-6 //:L /.OS ;zrJ /-Ib ~"I,)- ,3 Cf ,r1' d1 0--' III /,OS' .... :; 'if) ,J./3 ~3/ .Jb 171' "if 3f 12 /1/ ,;2G~ 11..f2 .:2:24 .3j- /71 -If 1ft ?"Y /1'1 J.J'j 11f~ :116 .33 ,1;;' ifl ~I f":L /1/

~ ~./j" tfffio

j~ r"-A>tI.

C~ ~ *1- 'jOb

l£~ /l4tk.

-- . s...-.... ;;.S,·1J1 »'Ol.. S7.Db I~

~ '-

Page 46: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

...

,

'""~ -..... --_ ... . '- - - - - -- ~--

*d f';.8h - Lt!77J',t-~-J=i//~z!. We,,! h,6 /fe. /~'z-/~77S'h~,

j~/777 777 o/'yy S hee ~ - 47'eas It=' t~{)'S. "(.~.~Q,..-I-rn£" .. !"".s \I t .... -~ ~~"!J l~ J •

.-I'-'IJA~ "- ) --..... (I-t . .r~"~<ls.l· (,,~ ".f. Ot. .... f'Ii1",~

X.= !=Oytf i.e'17fJ:.J, Y:.,::' Jt. L~77gl:-h -{;::- 7Ot:~1 i..~T1St-h 1-:' hll:; K:: Ftll-<~ k/i; . -.,:oe_:·,.;.,"'"~-_·. h.,,,,,· :'"",~:~c"'.=::-c-"~""-:-': ,':.0 ',s .. ·.:,--;·-O:==-",'-="":c,,'""c···'O-. i""

'.--- ............

S~: X ,-' x':L

'--' ,

5.1:.,'1.-

5 X2.' 5l2,.

Ca5 h~s Of/ C./~uU.Jl:ey ~ . - -.-, - ,;;'-. -;-::-" •. - ~.....::...;:::.:.:; _ -_~_--: .. -~- .- _~;--~:":~_.:. ::;:'".=~;. ":':.:.t _'_ _ ___ _

J.SlJ£. v :2.~. 12- V' W -l...-:! rT ,J-jL!r7,/v

d I ~ " I . 1/ ,~-If1 V"'. /'),,;;"2..:20 V 1/ , 6 1..!'3. j ; 11 J/

,i/3/ .233.)

~3.11 V­, 39.s~

9, .j-ro7 v I 3 b 9"1 ,;).11-3

/()j,3?-, 102;2./7

.c 43.6 0t){)

., r;739 • 1"56/

;)"I.~I v .1:)'>7!J- v /9:{,~' :l1,O"L rj~OO

jK~

5 ...

~3c"O:L • ,;379J- ,(31)0 ,·3-5-03 ,3ri-r

l-j/ 171~17/-:;" 1~(6j'S ~,037C, 7.~/9/'f' Jf)~9~0

__ ~ ______ ~~~7~(~J?~~ ______ ~r~;~b~)~0~~ ______ ~t~,1~/~~~7~ _______ 7~q~J~~~~~O~ ____ ~3~Ow.;C' ,. I '[(3 ,J..31 J' , 2 'J..I 9 J).fl ; , r b 1. 1-l:.l-

5~ Z.,3

5Xl-~

..)X;-

5[, ?r" t-

'I7/I.J ~ I;;. ,t,06- 4/. & 1 t-- 1t, .17 _ / f't:.:;2] . 79 (}.j- , 117j- .6 <; Jf7 ,. 171-.:; , 71"...03-:1

J9.l70':)v /ft'. -'-1'7-'/:;- 3C,1i/1)_ ]1.6.::,-9:: J~b.:;.j2 .... ~

<;'~ l-~,.......,-_---",J,,-'7L!.' .-'1c-q=-=3'-:-''1,--___ -L/: b . 2c:.:::,o...L1 __ ~ __ ~2£L,,£.....,tc:=j~J!-:7..,-------:.3={,-'-', 7,....:,J:-'~ 1-.:,2-=--__ ---'/0......;7-"'7_·7 .:.....::D=--9!....::r~,2.=--_

/1'7'7'7/2.2111 /,991-/5- /.:U:)../ 1.).)-13 oJ ,

syt ..sit. ... s "1.-dl-

SX,Xl..

lx., 1(i...

S~~

5(,.t.3

5Xt'(,

5x'¢J'

.sXJ~

SlifL

J Y, Yz.

J~'d1.-

./;'1, 1J~ <.---- 6/. ').1 V' ,sJ,., 7/ v , q Ie ~ L I. () 2/.2.. . f,/1j/""

S1.ISCjj- bJj6 '11S- 1r,JT6!J-SS.S'fS & 5bb1 1C'Jo5

/)013(' ;).../3()6 ;::.D7d

9. J./S'J,J 9.1b3S'

:20.9/01 ;U). J'J/1

• ,f792....

M,Uyf :)..11, 1<U/l

,'"2-1{/0

lv, ,'/ c:' ~'-I

;6, NY?..

d. J..j :J-j-3 0 J. 3,$'JI-/6

.7/{J..j

). t. t) {: 6 / ':'1, J J'1Z

,?;?PI

7 .• 9{(!'--6-7. 1jrJ2...

11.// OJ: Ib ,17{)J

• r;; 1./00

2} ,.1/ '773 JU.Z;ui 2-

,,6111/

,1:; CiO

19.Y3 J 7 19,)41-/

.3? u -d.- 1f.2) :2t _J.~ fJflh

, ~11:2....

-2:2/,71 ,,9S'J2./

'/'" '" u f'/ ,,i,":'"

9- r9 j' 1 . ~ ,I ~ '/n() ,(, r<o I

97,0111;; t)/ <'191 I~~"""" __ ~_ :2; Jjb.:.,~j

-"- .-.--.-~,--- ,

Page 47: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

_________ .~" ___ • ~ .~ __ " ___ h_~~ _________ ~-' ~ __ "-;. ___ ~ _____ ' __ ~ _____ -~_'~_ •• -,--~-.~-.----.- --=------ .. ---------~.--~--- --~.-. ," ..

i

.s X -<;/:5-: / () ...5-0.J-1-.! /1/. ." .2-...J

~

SXl.... l/,( 3.2.1(11 i02:i Ie? 1 S1 l 71;, '1~/39

Sx.. "Z.. ,C)J~ ~

S r IO/rJ/ /;2 7. b. b 22;1.77

sf1-:

q2.!(}/~ /:J.(" 332 "J : 2/ ;Fe-' { 5-'; ~

S~"Z. :!b'10

5x.r ,LT"

'-"'tJ ; j -II. OYi.!.. ,/ ~,-5, 6C -lb. :'~?-J L --- ,13 ;,j~

.5:r}-

1

Page 48: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

<; < ... / U777 777&1 Xy'

• ,p

..

I

id . j 1..,,:.2, """,n1~ i I 0'_ !

III~. '7'73 Q j I . / i I .o1!f1, , I 1 I 121 f", 6 1)c,j '.:21 s: () ~ .f'J~

,~ /1/:

. 9i.ft;;-·/ 'J£.J79/

-----.. --

Page 49: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

• ?

r;;:t:- q1. / .:<S?

Je.. ~e....5 /

Ay(.a~ ..:3

c. (/ I:~{. Y J ';:;'..3

,Cr"T"o )" .;../ .:L

..2.~-

je.)(e.sf

,,?e d h s -1- ,<"~ 77f' .r~_ /-; /~ ~ J,W:F h L­

eo J/o/Yr~77ce 4 77iY --Y S / S

,~S'6/ :2 , -fib ,j-,,r • 7..579"/ :

,t' ~-.l CJ ,13 r.J-· 13696

,~ ('1'''/ . .:z:l6.] .6/71

, /.5-..2./ .~/66 j..2.j-f"..3

i :~: , .. F~??<r /b ,<7~/~0:3YI-'l~ ~ .

.-1/;,L.2~

21/ ,(( /6

::111

3

c­! -

/4..;~S/J/y :5/;71- ~/Cq';n"7.. (/ :{~ /',-' ICO';..': I. r or)

F:: /

,QCj-"l/.CC!;

j3YYI?)/ ;z /3 ,;';S; b . /- Y")2j, 0: 7{) "It) ,3'117 F-: ,iJC5i/Ctl; ~ :'1,/ ·)10 f: Sf e '"17 / :'~'.:,~ ]-~ ::::

/ (_'~o;t /,;:. ! T! l-- =-- .. 5, ftJ

Page 50: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. __ .~/._~ __ /?~! _t:o_!~. J ~77J)~1 __ ~ ~ ... £!~~~~~~~5 ___ ~= _~~~·.-!~·.~~~~~;1/~7~c fJ

I _. --- _._-c~,~~".~ ,-" ~_-~I::'-:;;<'~~":':":""--~"':::-_"::_:;::'':''':-.:'-::'> ___ -.-'"_~!'~~:''::'~:.".:_'':''''-'':::'.':''-_:-::''.-:"_ L ,,"·'.~,.-_-,~~_.c

C'i/S!;t<5 E t:Jj.~

off G- ~tJc.es ~e yo E ()~) 2., - /. () / t1:J X I -. tJ ~;2-7'

;/fa :tf77/t:.-VS!

,E,?x'}.... =

70 -,t: a' 1-E,l-Xl. -

5i<'¥.nd01'1'd EY",~y 0 f Es tI777.;'T"e>-

,5~fX ~ r/Jd?- -~ . .......-;z..

1" IG

If

02.0

'-L

a.-'f

..l(.,

J.f

~o

<3:L

3'1

3(,

31" /f(')

~J-

.20'1 ,.

,J.j~

,:3() I

.1J.f2.

,'3 [0

,tIl j-

,~J.f7

,;/71

,s-~.:)

,53!

,Jj-~

,s-fo

·6tJ2-

., 1.3

,13 b /3.1 I'-,r,'

./f7 I.!:J-'i

,;2.33 11-1

. II )..71- / r.f ,3/?- ~~,~ -,3'f7 ~:2.,2

.~'1' :;. 3. 9 ,1{)'1 :;J. s-.6

,~31 ;;.7.1

,¥(,J ~7.0

. ¥-<?<f 3C. l'

,S"/:L 3~.:l

.531 .31. :2--'

,sS.j"- J$', r

Page 51: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

, , .• 1

~

1.63.1

1/7. J

J.,J ~.J -~, 331

),.Pp ...

J,frJ 7

3,~"f2-

3. )."16

J,SI tJ

$/713

3JJ11'

,.21 Jf 1)

,27:2-/

,.7.2.J3

.J("'10

. J/101

,44 f.J

,IIrfJ J

,.$"/$...3

,..J'"if,J-A-,

,513 :L

,,)'191

,'/ '/& / /.7' I

.J.o.if/ 1,6

i ,2"-,JJ /.'f'

, 301t' ,2,0

,3,,/2.'1 d.;:"

.3Y02. :2.7"

,.&jIJ-O 4. 6 ,L,r,

.?'47::L :2.1"

,-'17'1/ 3.0

, v-t)J-; 3. :L

,..f"JJS" 3. i'

,")-J-~3 3.b

Page 52: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-..

~

/? / ,-'" / I) t' 0' 1-/5 /f

1E3-T hy

~~

~ ~ ~ \. ~,

~ )...

~

~ ""i

, "

/~. 77 :? ~'>7 ./ ~.

I b()

/ So

/-70 ., /'-:!.J ,::.-

Page 53: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

~~ §F$ ~s+'I

~~~ ~!l ~EH EtE: ::;::i:::±' E:po· iH

$

I

II ~ I~

. lEE

~ ~!;±;:;

~ ~g

fi+'!=H

I~mw!!l .ffil !II • I i=jj

. :§ ~

~. I~ I

..

Ilfi ..

I~ "

i i i'j.

m:'E1E :

I i $:

~

:

f': " m i

B I .1 :g =li

m sm£ml rIB

II····~ . .

... : ....... -

~ :s::::

~ ~g~ ~-

~ :2:

~ II ~

Page 54: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 55: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

rn ....

Page 56: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

7P t-.., / Gr&'7'I<i AV~'fat;1'e..

,r9.3S" ..

;

1"/,11:2 :

11.4'2-

1/1"2. 0 f.,-

.4f 9, ;l:j79

. .j-.j~ 33

.1./ :1. tJ1

"t'~ . .3 ;L

II.P77 ;" . 1f<f.~3(' "" ~,"

Page 57: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

I1ed4.s/, Ile.q; re'S5/077 ~f- h lie i h/~/91r,6- on hy,{ Le'77j'&-~ XI -:. L~f' Fpv.lf'!~ns£.t, /'"77 j)eC/777~Z:-ey-.5

Y;L.::' J..sg. WuSlti t7~ 8~i:'-7 ,c;//~£.5 /77 O~Ct:?.f'Yci'ms

Ca.lc. , . , ... -.. c;;",)i~o, ,· ... ~~·'_;.~.·,~e._ '-~'.' ,'.e" - --'.--'~'~--'~

)( L ,_," ;,,--.e, .. 1 ?--._c': ,_ '--",c,·,'~._ '~j_.--~'-c .. '-~"-"",-- '.

/.3 ~,L l:2. - .:(. rtJ-4'.J X, -,:2 ?'~" , ?..s- ,111,/0 ,bO /. Jf.Jf.J..S"

t)/--~ 6'/0 C1CC!.~ i:ey ,C ,,; f;.. - J, 7''1i/f %; -. ;2.'713,

Cd p e. S hoy e. !

E :~f. t- .:: 3. t) 6 ;7.2Aj -. 333 ~

.2:) .~:n6 .(,0 /,41, 3.5-

(

, A33/ 1

./.-$" ,

,f:.o /,.nH.b : 11'4 ;C:I 77/C t/S

e oj. Yl- - 2,?'7 -'13 X, - ,,2 .2;; 2- .2:{ .Jf"4 • (P 0 /,t./31.if

io:*c;/ E ,,~ y l. - :<. . ? 7 9 9 ;2 X J - ,26;) /, / ,)..S .1.:r11

,60 /. t{-{,S'3 ;' r,'

• oD ;;'0/3

F()'?" 5/?7'g/t' r;/4,z; h/"<fhC

J'1·}t.: ,0 l./~f1 (!/IJ ::. .O('J7',F

?~- ~c~ ~c{~A..c<""-"~ ~ tJ~ ~

~~~~~ I~~¥./~~~~~-~c/ ~~~~/ ~-v--~~~/~~-V:"'~~_~ r /~~4----~~~'~, ~~ ?L~~ ?L-~_~~,_

Page 58: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

i?edr-tsh- f?elC1i=td77.sh/;p 01- ;::/II~i h/~/fh£ ;;0 hJ:y/r4»'p:iI, !3 c:J ~d d I) -n /I1t.;; S () y ~ 7??"t 7'I:;t~ 0 I- ;)...Jlo s/:]t2 c 1777 ~ '1? S.

I /,1, 0 21HI

;(./:JO ! ,30/0

2,;Lo • '3 L/2¥

,3.CJ<>

/. ()S,?

/. "/11. .J)...

. , y3234- i (p .~r7 . 3.391" /,'),.D

.9 J:lf6 ff", .'J'" 2. 4.2.1) / . .s /

/. () ~..j";J, '1 11), M}

j.II/Ift) 1~·92.

/' / 'J 201 Is-. J-' j,2/.,f{)1 ;r..::t.:J- '1.:;''1'

/.339'11 ::2/, y:,- /rJ.9:2.

/, (1

J.;;.<i

J. ·71 '3.')..1

Page 59: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 60: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

I'

'-----

jO

~ 'l.< ~

" .I 01 \{:

~ ~ "-

Le77jz,,L,- h//~.e /.v~,,~h,J!;' /?e/~.t-""'7T..1.h~~.

,cOY CC/Yv/ ~neay/:6-y

-~.,

.--,-t-..

.-•

• '" , . i' ,. .-

t

'0-.~

,- !

.... ~

\ --. j

s;t. . .( 0 s~~;$. , ~~r/1I'z.

'-'.J. O()" _,,,_,~-, __ -_,," __ ,-. __ ~. -.--,-~ ,--,--,,-,--, --- ...... _'*"'-- 0-"---"--- ' .• '----.. ----,,-... ----'--,--------~ ----

"')

t ~ >.. ~

~ "'- 9TJ

~ ~

"I..l. ~

,.~ --,~ rt6 ~ 'Yl

~

'-, .. • t,

• f ,

.' .-- .-

" .-~~-,~---- "."..,#""-'-----

I'"

j j

I

'I~

/ /'

./ f-'.

'~"~-'''-1b~ ~ ---~ --~---,-~--~----~~-.,..,-.----!-I----;,-'----" ~--~-~,-----~'" --,-

,-~-.-~-----,----

~ .'

I ~~ -

1- --. t .-.-I' j.

'~"~"~/~

, ! ~ r I

I

,:50 :"/0 ,0"V . b 0

____ ~..(.OJ2_?'P,~~_£.~7?R rh __ L72_M //r Z7?e"Jf:~y,S~_

Page 61: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

'\. .. . _.' ..... -

~\.,

~".<- ' "--.\.

- -.~ -- --,-- ~-'. '--' --~--~"- --.,'. --.. ~- .-. ......... _. --

a.· ... -

- ." ... ... \.

'\ -- .. ~ .~\ " .. ( \,

-', ....... .. ---.... ...

, . ________ .~ __ . __ .. _~~ ___ "' __ . _, ___ ,_~_,_~,.~~,_~~ __ ,~, ___ , ______ ... ~" __ ,,~. _____ . __ .~~_" _ ___ '_F_~-""'_' -_.-~.~_~ _,~~_., __ . ____ _ '--',

. "~-. ~ ..... \ . ..­... ' ...... \-

.- ... - --_._. ,,-,-... ~.---------.. - ----... -, _ .... _---- --._ .. ,.. . .. ,-_ .. ----, .. --.---.- .. -.---- ~-~.,. .. -~.- ..•.. -_ .. ~ .. ~~ .. \ .. ~~.~

I

\ .... -..

~

- ---\,

f j

. j

---.' .---~.-.---~~ .. --.. ~. i . - . .-_.-.--_ . '.f\t .• -.- -'~ .- . - - -

- --.' .... ~ .. \ - -. (l-:'

1>

~·-.t ...---.. -, .... _.- -... C\}----.-.. -~

- - - -- ~.. ~ \r

Page 62: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

r-- -

/

e- ... --_-::-.- '. ----.- . .... . ...

.'-.~. -

... - ,._. ... .. ...

-;.. .. ,-,-~--~, ..-:-.~----:--'- -~-. --- ~-.~. -~-

r,,· :", ... .,'" .... ~ - \ .. --. _ .... .. -­..

.. --. - .. ". -~ .. --.--~--~.~ .. -.-------~-.-~.~-.------ .~~.--. _ .. -_ ...... _.-.- ... _- .. " ". \--. __ ._--\ ..... -.-.. ~ ..

r--t­

f·----. -. ~ - ---

- ~--

. --" .. .. --~ -- ~ ..

, \ ,

Page 63: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. -- "-

.. -

, n ~ ~

~-•

-. .. e_ .

.. '\

'-;-- - -.{ .........

j -\.-___ • __ .", '"_~_, "' __ , _ _ '_J' __ '~~ _._. ~._.' __ '~' __ ' _ '"."._',_ •• ___ • ,-~ .~ •• - .... ------~-~'., •

~~ .. -~ ... . ~:.,

.-~ _.L_ -'\ ... J .".:",

III ~

i"(l.

~ (t_ .. ..

.... ~-.. -- - - - - -

-- ............ -._.--.--.--......... --.- -----·· .. -----··------· .. ··--·-... ---·r·--.............. --.. "r' -'"';-.-.-; .. -... ' -... ~

.!.. f-

.. =-~:- ;=~"-~~ } .. - ---,--_ ... --- _. j ----

- ---- -~- -,--

-- __ L- ~---- - _ , -------,-,~-... -~- ------..-~-.---

___ L

. , _1 J' ,

--- ).

(

r

~ •. t3'" ~ a.~

r':

:sr ~ ~ <:J ~

-~ --~----~----------------------------~------~--~----------~ ,

\.. (J

~ ~N ~-......... t)' l~ Q ....... rJ ~ ~ ...... "-

'--f LL b..£ c5 u/ 7/;/,/Y :;10 1-!(bI3/Y( :,/--.t:. .

, -~ . _. - - -".

Page 64: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. "

(

!feci /~/5 h 0/ki~d b;' ;:;'C'fye$J/v~

, '

."\.-.'";.-.

"

-... " -______________ ~~_~. __ . ____ , ___ ,_~. _L~· __ ··"" _ ... ~. ___ ,"_._., _____ '" ________ ,_

...

. . --,,--_.--" --~-~. ------.~.~,-,-.-~-.~- ,----_., .....

,'<; ........ ':'-. -'I ..... :~.,

-. - -', .. -. "':'-', • • ...... 1>, •. .. ,.-\ - ...... 2"---­......... -

• • l' "\

.. .--

._ . _____ ~ ____ .. ___ ._> __ ~ ___ ~ ___ ~ ___ ~ ... ,,_ .. ___ <, •. _._~_.~_. ___ ,_ •. _~ ____ ._.~ __ • __ .~ .. ~~.: ...... -'>-0----_ -___ ~_. __ "' __ _

-'\ .~ .' '\'" •• .., w_

~ ...... ~- .. -:

1.. __

- - - "

-:;;;[. - -=--"!~~ .

• <\ .... :1..;:. r- ~~ __ u •. ______ ,,_ _.~_. _____ ~> ___ --~- ---i--,---~-\. __ c __ • -,-- '--'- -. '-'---'--~-"""""""-~ ,-,-

~~f~l'I~· ~·~~iJlf~i~t. ~._u ~_:-:~':'.___ .'--___ c.~~." __ 1-' 4 -~~=';:T-.'

~LL£P,c...cJ ,-,--, - -".-.- --,,--, /--

"t --t-

. :

--

Page 65: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

~.f?1'7 (' :':.'7 {: I ~ ~ :.- '! .".~ r I .,;-~

~~_1~by~ IN_elgh i ~11~f:s " [,<""1: :.:., vjl" c!, .~ffl<C c",ta h 01- 1ft. d/'(J h i..:zndqd - --.. ~ .--.----- -~

14#1 ~~ - -

.: '..lj<! • ./~ /71 fJe./11 YII Olley :~ .. / /71 mill" . / /:-" Ijll%. i If r4.2Q-?

A >reef ,(JC1 SIS "I- j;) ~ i-a () t P&J 1I?fc's I tJ,Z. .;Jgz -JIJZl :! OL 10 '/:,;; (

~y Hlld: f2ya7"lUp.s ., - -- .. ---""

MI/a S'IJ i I til #1~- 771#iZJ vYI7??'l1 ;2../ :<. ~ . .:3 16.3" 3.J. .• r ..< 3 . ..y' 7./ 1~4. /

Are" ,fi! ~YC"'" ;:] £'YI?,s

N/JYhh~'7"N &v/F 3 S'" 1J" -,m ie. S 11)11 T17I7r 99 :3,~ 7,;- :3 9.~ "I if . .3 ,J;1 /~./

o/. l¥/tTfn.e. P:t' .. 717 3;~ J:.)f';:>.5 Sv b.ted' irn GJCJ OJ F. :

50 t/ 1=/7 t.,. 71 Gvlf- .2.t;o I 711l;;JlJYtrnt"T1t5 ,20 :/.3 3,t) ..2.~7' "'It,/ .2.3.7 100.0

d ~)4";/77e.. ~"'D717 ~I i:Y'I/:;1S 5()~ti1Y'''J .mrE.6j1).J,Yl; ,0.

tot:,;/ (.3t)6 TnttiS (,IYt"",'niJ /?'O .6 r,.j- J ~ . .2. -',til?, '3'..3 /J:1oJ.::::)· Av~~a~<! 'All/ph, ,

4CC4yo"I7'r l' ie 1'f'lIa:n6d, ~. ~c'

rk ~~ ~ ~~ cy'tt-~ ~-L~ ~ ~ cc..L~~;/

~~~~;;'40~~ ~tr~~~~

~cI~/~~L/~~~. .

ik.hv..r 1~7~~~ r~~~ ~~~7/ a,......,./~7 ~ /t:}k/2-

~~,~~ ~/~-rz£.~ ... ~4c t1.; ~~ 4-o-~~d<-',-~~~ 99% ~~.~~~/~

.h'-'~/~ 'f~«"t ~.~~.a,.,(:;:i~ c0-~~~:~ r~Zi) ~~~~~ ~ C-~ ~ ~ ~H-.~/ ~ ~--4~~) ~ ~~d ~ /~ Cv1;M ~.~ o/~ c~.r-c4: -'--'7 l_v ~c/' y;o4 ~d.~ -'1~ ~~~,~~~ (~,,~'c.!:tI:v- ~~~~~~.

Page 66: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

7~ ~ cdtrf ~~ .

Ck c.kv a.:( C; ~ 'hv, - rf--- IS.d!

Cv.dcp /lA-~ ~~ c~~d ~~1./ /..5---

~ evCf' ttb--12-<'~ C-<-o /?--v "'- .L....~. ~~ tLctv-/ Cl-;(Lc-X 0-;:;; r~e--e- ~d ~r ~ ~ A~~ <VV d<-ck~ ~ ~~ p4

~~L~~ ~~~./4 W ~ /o%~

~~/~2i-:;-%h T~~ ~d ~c..-cL~ ~ ~/o.-Y~.

~ ~ ~~,~ fZ-~. ~{5U?;.-47 ~....L",,-,,~ tL<> ~.~ 40 /f q/S'%,

~ -4A_dI" ~ ~ ~r' ~~y ~~ .~ ~~ )f"~ A~c/:4 ~~ ~ ~

~ /t-c~~~~·~~~~~

;h;A ~Lr~' et~ c7~ - ~"'-yv£''-'-'~ ~~ f/L~ ~< ~ 11'/194 2-

~?t.o~ Cvd/~d~?-e- ~ /{)%-~y--~ ~~ ~ er~ 0 %. ~ flu.- ~ L<d...~ ....,;.., 0"% r -,,-,u c..-.d' ~ ", ~ ~~ ~~~ ~~~~ ~d'~ ~~ ~.~ ~~~~p. r~ ~~ ~ ~ ~ -<ft£v...P <>-.err ~ ~'~'<-cJ~ ~~~rA/f· .

Page 67: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-~- ---- - -- ------------ --- ---------- - - ------------ ------------------------

I1!-d4s,,{ C"717brTlq,t/u7? or L.r. ~)'''m A/,y//-...fv7?:'e ~ C <$ Ie (/ /.1 il "7'1 ~ ~ h /It!.£ J".4 / f /""I-~..s

- c

, .

I.J~· (JO _ 6

Itc

17!) -

.i --

_______ " __ ~~---_-~~-~-__ . _________ .,.,.:"'-..!-i"---~J' ".-

Page 68: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

- ---------------------------------------------

/ PZ:

/L~z. J

;2. 02.

:3 02

4f ~z..

, AY~Y<1!.c..: n / /~ t If,Yff 1m!#; ; Wtl5'ii': .

t?.<. /1R.

7?1 ).3..9 I/-z- 177 3/1 ;2.01-

:/ .2.;S-y¥ ,;2J/3 ~2.. .209 7?' .213

..L ;LiZ ff ;!..9~ /(;- 3tJ; 'Yf' 3,z/J

" .3 330 fit 33f

" y'z- 3 'It' ~ ! 3..J,b

7' 3£1/ ~ J7L 12- 31"0 3/1 :3~7

.2,J.,j- .

~7/f

~rb

~J 0

31.4

.;z /,:3 Ii

J$.J./ I -!

#:2.0 1

i

. -. i

~ J k."-d~~ c.u.lt~-j (g) %/ /{~,-tf~ ~j

I I ,-

Page 69: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. ....

-~ --~- -- '--"- -'t'

0;:' h/~L- t.t/e/j'/rL-s

~ 02. U 711 -I:: ~

___ ~(~ ____ '-__ ~~7-~ __ ~~~~ __ ~~~A~y~.~~a~T.T.~'~ ______ ~~~ ____ ~~ ____ ~_ Weight p? l' fa/'4 'IS(,~~';<1 ,'v' 91ft.,:! i i s. G~~fl : W;~;.,~~

~J/~~ _~z t r~ICY_m; ::. %t~(P~~~-=l==~i!. ;.; IC~: i ~"-i c·~?i===7==~==~==*===~=====9=== () - ~! I o./l o.(! 0 I (5' : 0 ; D: ! C {)

-=

\ til j ! J i ... 1 ,I 1 '

~-;z./3! ~;D .J~/; ,.::3 . .3 i;3.3

-Y.3 - / I,,~ 2.1;(0.-31

.1'-'. I

! I ! /- If:, 111.0' 37,3,

! I 1 I~_I ~'.i i/S.'1!'.<3.~

I l

I~ - 2.., >6'~ 1 69- (;

;L - ~%; ; f1lJf~-; 1 ,

.2~-..J.~

.,2.~ -.3 i

.3 - .'4'/ ; :..3

af-J~

.3 3j' -#'

,,- ~-!s

-3.2: ?9.t '

: 0,1 :;oo.J' , ~

, i 1 '

/~:99.6i

:0.,2)99.(1

(), / , ~'1. t

, t, 11 9(:' 1

2./ 19.7

: tJ·3 leJO.D

. pi r : 6,j: 0

:kJ-' (' ,[,,l.t

:/of:9I. b ; i ~ 'So:] 'ft.. 9

;(.3 :9 q. ~

Page 70: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

I-

"

JVlIS h /- p..c: ,~E)&t .q

eP- //"'1

~- 1'2-

~-9/y

%-1 /- I~

/~ - /K I({- / ~

/~ - 2-I

:L - 2~ :_

i .2~-.,:l-~:

1

/. ' 3- :3~i

I' I I /. h: 34- - 3~ I

~ I

J,Yz,. - ..3~ !

3:;0/ - ~

4-- 1'/f: <1/1; - II fz-J

1 . .

; ~4f~/.r: /4 ;CII7?7.:

1011-1

t) I I i !

I ~ : , , '

11./ i i j I \ ! ' I'7.Jl ! I ! 1 ://./} "<().3. , I : 1 , I 1/.11'1 ; I I I ' , :

iJ/.3) ! !/:1'/

l~{

j b.t!9J.I: i ;.2.b; ! 1

1 ;;;.6 1

I. If

,

I

U/s;;!y/.6C/zf'/07? C ~ h//C:zf h~/Shrs

;:/? c/Z. V77/~.5

i

!;o.1 i 'Ii

j

'/)·tf

! II.b ,

! 1,«; 11.6:

,/,3

'(),Cf

'tJ.1 i 99.7:

~ ,/, 99. ri

': (). I 99.(

Page 71: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

• I

The Effect of The Cull of Small Rosefish on Production

Length Frequencies Catch Percentage by weight of in 1941 rosefish fillets landed from which fillet

percentages were (MiU ion s Below: 1 to 1 J/3 2 to : Over Area calculated of pounds) 1 oz. 1 J/!Joz~ to 20z:. 5 oz.; 5 oz.

NOTa Scotia 475 measurements Area XXI from 5 trips 21 20.'5 16.8 ~~.~5 .f5.4:

3'7.1 l' c>

Northern Gulf of Maina. Sub- 5820 measura.ents 'areas XXII S, C, from 52 trips 99 3.2 7.8 59.4 44.5

D, F. 1/, c> ";-0.,-/ 'fJ.;', 7

Southern Gulf of llaine. Sub- 2001 measurements areas XXII E, G, from 21 trips 20 . 2.5 5.0 24.9 46.1 H, J, M, H, O. ~-;J 30.2- 17". :J

Total and weigh-I W- me:&rrements

from trips. ed averages. Average weighed 140 5.6 8.5 56.2 41.4

according to 1941 .,s-6.S '1/.1 catch. /-<:';, /

Basis 2f~ information.

The length frequency material was gathered during April, May, and

Av~ Y!'~ ~ June, 1942. T_ F8:oulI:u;ge bg" weight of the rose.fish fillets was cal-

culated from fillet weights on 240 rosefish from 4: different fishing

areas and filleted by 24 different cutters •.

Effect of ~ cull ,Q!l production.

The above table does not give any indication of the cull of fish

at sea. No very accurate information on this is .a,vailable but inter­

views with boat captains indicate that an average of 1 to :3 percent of

t;he:ca:tch is discarded at sea. Sometimes in Nova Scotian waters as

much as 30 or 40 pe~cent of the catch may be culled. Apparently this

is rare since the fishermen can avoid the schools of small fish to

some extent

7.1 JOa /

5.4 />0,/

2:3.7": /jO,6

8.5

Ie)<). 0

Page 72: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

" . Measurements on 425 rosefish discarded at sea by three different

boats indicates that about 99 pecent of the fish so culled would have

produced fillets of less than one ounce. Measurements or 959 rosefish tJ f. f:: /'7 -i...

culled in two ditferent plants indicates that about 12 percent ~ ~4h-J foh' ' di'erried wlaeh would have produced fillets of over one ounce but the

a verage of the largest fish culled was of a size that would produce

tUlets of just about one ounce. Essentially, then the cull limit

is very close to the size fish which will produce a one ounce fillet.

Some variation is, of course, to be expected; a few larger fish will

be discarded and a few smaller ones saved

Because of' the present demand for rosefish fillets the cutting

plants at Gloucester have abandoned the cull limit and the fisherman

isp~id for all the fish he brings in regardless of size. The cull

was abandoned about May r~ 1942.

Under the conditions existing before the cull was abandoned

when fish yielding a fillet of less than one ounce were discarded,

raising the minimum size fillet to one and on~ third ounces would

have decreased ~roduction by about 9 percent. Now} with no cull)

it would necessitate a decrease in productIon of 14 percent to cull

alL :f"ish lie1ding fillets of less than one and one third ounces.

Page 73: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

Redfiah-Ca1culated Fillet Weights

~sed on measurements of 240 redfish and 480 fillets from four different fishing areas, Cashes, Off Gloucester, Cape Shore. and Matinicus, and

filleted by 24 different cutters at Gloucester, MassaChusetts. ~y 27 - June 2, 1942

Weight of Length of Fi sh :Soth Fillets .'&

Cm./2 Mm. Grams Ounces

25 12 ()..o 124 9.69 ·3

6 125-129 10.9 .4

7 130-134 12.2 .4 g 135-139 13.5 .5

9 140-144 15·0 ·5

145-149 16.6 .6 ""r,

30

1 150-154 13.2 .6

2 155-159 20.0 .7

3 160-164 21.9 .8 ,

.-

4 165-169 23·9 .8

5 170-174 26.0 .9

6 175-179 28.3 1.0

7 180-184 30.6 1.1

8 185-189 33.1 1.2. •

9 190-194 35.8 1.3

40 195-199 38.5 1.4

1 200-204 41.4 1·5

2 205-209 44.4 1.6

3 210-214 47.5 1.7

4 215-219 50.9 1.8

\.----

Page 74: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

Length of Fi sh 'Weight of 'Both Fillets

Crn./2 Mm. Grams Ounces

45 220-224 54.3 1.9 < .. 6 225-229 57.9 2.0

7 230-234 61.7 2.2

8 235-239 65.5 2.3

9 240-244 69.6 2·5

50 245-249 73.9 2.6

1 250-254 78.2 2.8

2 255-259 82.8 2·9 ,L-Tr,

3 260-264 87.5 3.1

4 265-269 92.4 . 3.3

5 270-274 97.5 3.4

\ 6 275-279 103. 3.6

7 280-284 108. 3.8

8 285-289 114. 4.0

9 290-294 120. 4.2

60 295-299 126. 4.4 i> 1 300-304 132. 4.7

2 305-309 138. 4.9

3 310-314 145. 5.1

4 315-319 152 . 5.4

2

" - ~

Page 75: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

Length of Fi sh Weight of Both Fillets

Cm./2 Mm.a. Grams Ounces

65 320-324 159. 5.6 _ ..

6 325-329 166. 5·9

7 330-334 173. 6.1

8 335-339 181. 6.4

9 340-344 189. 6.7

70 345-349 196. 6.9

1 350-354 205· 7.2

2 355-359 213. 7·5 #' r,'

3 360-364 222. 7.8

4 365-369 231. 8.1

5 370-374 240. 8.5

6 375-379 250. 8.8

7 380-384 259· 9.1

3

Page 76: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

RED ~ ISH (R 0 SE r ISH)

THE Lm~B-rILLm WEIGHT RELAT·IONSHIP. I4J\Y, 1942 . . ,

. , /

6 - "

/

/ "-; , r/ /

/ V,

-, ,-

/ I /

.; 4 III tl g >l .... ..,

3 Il) ..... ..... ..... '+-1

I '/ - /

&ased !ureme te of 240 r df1sh and 4 0 /

n mea . fl11e e frol four dUle ent f shing areas Cash s, / V _I Off G 'oueee er, C pe Sh re, .JJ Id Mat nicu, and /

ed by ,/

fille 24 di feren cutt rl at Glone ster " -" ..

Massa huset II. , / V - " /

/ .- -'

" - .-

" V /'

- " V .-'-/'

/ .- I V V '/,

./ ,

- .- ./ ..- ./ ./ // I

5

Q)

>l 0

'+-1 0 2

i .... Q)

/, V ./; I - ..- /

/ ./ /;

..... '" V .....

V " - /" / i'he solid line ndlca es th aver ge ./ "

/ t"1l IAt 'w .. I .. ht t", I,. A " I". .. n -I In..th

\!=

l:

... Vr' " "...".". ..... ....

- V ' -.... .... .... -- llin ltv f'1 Ie Der lent 0 the illet ... ,,-~ ~

_ ... wei ~ts w 11 fa 1 bet een t e - --~ --- dot ed li es. -- --- ---- --- -f-" ~--

" --- -- -1-----o I I I I I I T r I I I I I I I I , I I I I T T

6 7 6 9 10 11 12 13 14 , 15 16 ~ngth to fork of tail in~. (A stF.nde~d meas1).rement proposed for genereluse' on redfiBh.)

rT I~- '-1 -. 'I -I I' r- I T 1-, ,·1 , T 1---'-(---'- 11 T 11 --1 I .1 5 6 7, . 6 9 10 11, 12 ' 13 14

Length of fleshy part of body in~. (The measurement used by some buyers at Gloucester in culling redfish.)

,~

Page 77: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-r-- -

-/ : .. -"'~-/'~dh s Ii--,:\'- £j /!e,t_ht~.(~h>:t-S "lDi/c;U/8i g d) _"_' ." _'_, \ Ii,

! ~ --. ' -. ~I .

{.

..

.~, . -,/ tfi;L,<J;i.- '3 l<J..l~ -. L & \' .' ~ C>-,v"""v'T ----.-.-:----

--". "';'::---'=-~" -.. : .. -<-! .' . ~'b ·--:~c~= .. ~~: ·'~=;'~-i";'".ICO-o~c,,,,,,"~~~ w'~~filL"::?~~;;:::c::';~:::-:7::':~-::;::::::"'--== " ._. _'. ;!,_C<f7T/.2. .. · J:J~;~m~ll:~71. J__ ,tiJtVA G';.~~: __ «,~~~9.!t·____ T

--' -- = ;Z~ t~~T-'-"~~~ -f~~~~-;-r=-=rt~fff ' 9. t.1-~:'~; 1 & 1/,)..):../)..9.; /27 i ,/o·3f' ' j ,t:)3'3; 11).9, .Jj 7... i/3'-J'J'f' /32, ./20b. I .o<l'~7 i 1:<''2-: .~ 'r : /.3J-:~~ I /37 i d J'~* ~ .,. ! ./:31/ 11 13 • ..>-! ,.r 7 ! Flo-I'I1, 1~2.. i "J-;i.:r.L~~7,·~ I .J".tJ /0,p ,..)-:

: 30 1i''1~--jJ/9! /~7-'l '/'-73-t,>~:,::~f; 1,:2./92, 1 1t.,1:, .{.~' J lI-'_-~-/·"-7'i 1S-2.'··

l

l.l (J ( ..• ~.:~.:.:.!'.· .. ~.· ... · .. ·.:. .• :.~-_ .. _.::;.:!I • ;u/ () I, / t: '2 "~" " _"

.2 jN~-I..r:91 /.:J7 '/?;.S"~.-h-::~;if ,3016 ,20.D I 3 j~/J-/~I/i /&2.. .::2()~.::..r:._r:· .:llfor! :2./.'1 .r 'Y i /bJ--J'1 i /67: ·.l;2.27,·t~·· ,;'71'1' I 2J.1 ' l' ~- j1tJ-I'I'/ 172- . .2:3JY: ! I ~/.f6 1 .2. '.0 ·9 '6 i /7~~-1'79: /17 . ;1.'!f't> , ~ .. 9 ~ i :2. £.3 I. tJ 7 ,/rt>-Jf1' /F2 .:U()/: ,'Ins': ::J/J.b /.J r /1,,--111: /F:7 .;).7/ Y : , •. ,.;z.O;2...; 33./ J. 1-? i /10 -19'! jf 2- .27'33 ,..1~-3.:3 3.J:'I 1.3

-91) i/9':;--J99. 191 . 21.1/,s- ,.rrS'(. .1££' 1.1."",.,. I L:U~O-)Olj' ~L .J(J,p/ i 1~/'/ai!;'7fIi¥:: 1~7.· 2.. i;J.aj"'-;J."1! ).J77 i • 3" ~ ; .b.-if'?.$" ~tf.F ).'~,.:.'

, .3 i ').I I> - ;)PI; .2.12- • .3;2'3 • {, '/7/ 4'7. J- ).,'? ; _ -;: 1;.-16-: 1I7 : 21 7 . 3J''> i , 7 1>6 ~- ..s-~./' (Ht

~).)...O -J.).J.j ;z. 2 1.., 3i/6/f • ",~.:J () .j-7.3 1: '; i

6- ,;).2-0-:.2'-1' ;2..27 .3~""D i ,7.).7 .. [7.~ Me.liL.~ 7 1:1-;30-23,,/ ,232 ,J'"j-;j" i i ;19 0 0 ('1.7 2.;2..-r b.3j-:').39, .2.37 ,37"17 : ,r/~.r b',f'-:J- ,2..,9 9 '2'10-)/IJf 21'2.. ,31.3f". :. f'''/;J.7 '9.6 .2.,,-

..j7~;J.Jlj--).'1r ;1.~7: ,3tj;J..7 ' i .f'~PI 7','1 ·:2,6._; 'j'"

1 :,2..)2)-~Y' .. 2S:"2. I~/J/~ : 1f'?:J~ 7r.-:L . ~ .. , . .L. i ?Sj-~,2j-t: .2.S7 l~o79' 19/71 r.i,(" :<9'0: .3' i~o -~o/ ~ z. ,J.!1'3 • '//;2./. f''l.S ';/f/ -'7 j~tj--.u1j ~7 ,L/US" ,9~S7 '1J..~ 3~.:r ~- ! :l7tJ -)77': ..'2.72-; JI3J/~ i. 9 riO ; 17.':;- .3-~;,,?, ~ :;2-7.)--).71; 2..77 ! .. ~I/'-J-I/'()lltf 'ItJ.3. 3,.:-~· ? :2¥O -;iff; :2.f2...: .A/,:rIJ2 'I; t>J~tJ , jot" 3. ~ ri~?'<;--.2Pj: .2.f7 j .~S7? 'I.Os-~~ : II~ ~() ':;2.7t:)-:L9~ i .272.. I. #t' 5'/f ' -I. 0'77 r j 1.2 0 If, 2-

~,() j~'7J-:";l'1j( .217 ."'17;2.;' j :1. tJ91/ i 1:<6 -¥.i I :JIlt> -3~13q2- .-+'i'i1P! j/, II?r j/s:J.. ~ Z

i .2.. 1:;t1~-=-3d!1 .::Jd7c ,9P7/ i 1

1

/,1#04 i /.3~i .¥.? I :3 !31P -3/~ I 3'/2. ,/19~2. ; /.1'tJ7 I I"/ .. r <6:1 ! 7' !3N-:'31?1 317 i . .)7)/1 !/.lr", II/S,2", "'-f' 1.J- 13.20::,3.2~ 32.2. J ,.J7)79 /. ;1,.0111;2.... I 167 "" . l- ,J.2.J-J.l1i .327 i ,.J7P-,j· /~.;z;./9;2... i 161. ..j-:~

~ 1330-33~i 332... I ,.n..I1 /.23 r2.1 173 {., I r 133 ...'1-:'33, i 337 ; .0-;;'''76 /.;l.j-.?; I~/ ~.7' I i3~1); -3~9 31".2.. : 1S3"10 I.~ '7.j-,3 : 11'9 &., '7

?~ i 3 J!-5--3lf1: 3~7 i,';-l'P3 jj.2.<i36-' 196 (',9 I j~:':-3,!)Y .3s-z.. i • .j7{6'~.,.. . '/,3iJ3 • :UJ.r . 'J.:L

,-(,.- f :L3':;:;,--:.3cJ1 3~7 !/.s"".j';J;..'1""~"--"·:~-',. 1.3;2.'7~: 2/3 7J-i .3 3~O-31./.!, 3~Z- • _~'¢'Y7 :J.'~' i/.;]-¥/.j: .l;U... 7.3 i

.... --=~,c==o=l-~-1-~Jj~f!t~,~ -j~t=i:~~~~ .. ~_ .... ~cl1~;;oVJ~~c~~~_c!f-~ ", 31.j -- 37f ,-' :\.. /' ~"1 / :z.~-() - 1.1' 7 .3 rO-3r9 >- '-. i~ ('~/3f ~J" - '1)

Page 78: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

· .

Page 79: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

----, -~. ..

( \

,

Page 80: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

o I

I I

I I ! ;

I j I - I

1. I i '\... I

I

i i ! I

~ ~ - L 1 ±=-- ========L- -

Page 81: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

• •

I

\.

,-

The length-Weight Relationship ot R~edtish u'..<J~C( ~'f.-h'. . ,; "~ .. /l ~.~!.,y-L.. /\oJ. /....., r'/~f-~ ii" / /&! .t-,.t. ~ .,.-,. IJ .I~ .. ..",I;/ ·-1 // ,t...(. -/ ,~ ., •

(:' ;; ! - ,> i ;> " •

/~ ~able 1 ;;;mizes ~~e '-so:rae of the samples from which ~---'''.-'' / '. n L / \_ ,.-h.I.A.J/UT rJW

;' length .. weight measurem9nts were obtained. In all otj~~se samples \ ~ ,Jvj~:,l .. _ i -u1"':<-~"""~'l ) ) ~."" """- " r ( the- fish were measured and wei d"as landed" before:. aleaning,or ;//

~~~Z~ ~~~.-~~) an aoourate measuring board grad-

uated in two plaoe logarithms of the length in cdeeimeters. The

board was graduated with a maximum error in the graduations of essentially

no1: more than 1/100 of a"coenthmeter- so/the only souroe of error

would be the personal one of the way in whioh the #;ish is- slid

against. the end ot the board

Weights were taken on two spring balances graduated in::: two

plaoe logarithl!lS of the weight 1n~0~1 pounds. Tbs smaller of

the two balanoes with a oapaoity of 1.1 pounds never indicated tin the rau@9 of weights used)

a deviat.on of more than 1% from the true weight/in extensive

tests oonduoted before every sample of fish was weighed. The

bias of this soale whioh would show up in an average was prob-

ably not more than~. The other soale whioh was used for all

fish over 1.1 pounds bad a oapaoity of 40 pounds and the seotor

ot the dial used was small{between 1 and 2 pounds). Careful

cheCks revealed no error in weighing check weights of more than

2.5~ 1n the range used. Howeve~~ it was found that the observed

weights of test weights were distributed on both sides of the true

value SO it is considered,likely that any bias Which would affeot

an average would not be greater than 1%. Thus in examining the

length weight measurements taken for sources of variation, _~t

-/

Page 82: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-~ ..

,.

-~-I I

i

variation "f.iiess:: tMn 1% may possi blV be caused by errors in

measurement and differenoes of more than 1% must be explained

by reason of some other souroe of variation. ,1 ~ v-..J. Ld MN~"Y"~r2 .. /,<M IJf~-{'AV

GATBERING TEE DATA e:::' ~J\ 1 I \ j

The data were gathered primarily to establish the regression

of weight on length for the radfish and seoondarily to disoover

souroes of variation in the length weight relatdionship. To

establish a representative length weight ourve the samples were

distributed among as many of the areas nabed as possible.

Ideally tm size ot the samples should have been in proportlbon

to the oatoh from eaoh area but the fiShing areas ohange from

week to week and data was not available on the expeoted distribu-

tion of the oatch for the period in which the samples were taken.

T~ next best bet is to distribute the samples equally among

the areas. This was done as far as possible but only one sample

of 50 fish was obt~ined from eaoh of four of the areas which

were being lightly fished at the time (Table1.). From six other

areas two samples each were obtained.

The actual length weight measurellBnts were taken during

ten days but because of the necessity o-L selecting trips for

sampling and the pressure of other work the twn days were spread

out over 33 days. The females during this time lost much of P~ ~ CA.-~.....;.., ~ ~

their spawn C:II;l:t:Jmagh !'1 , 521fd! 'mOl"e; pro LA i ilK southern

areas. The two samples from the same area were taken an average

of 16 days apart. This was not planned but by using this ~ ~~ ~~~

0'1 'lie Ja'a. ii is possible to obtain an estimate of the valtte~_~ -VVi' ~y~ ~ t:C-~ .kU.-~/ t:-</ ~~ _ tiie time .~. /. ,;/

Page 83: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

lo.W..t../

'l'aJrST;> . . Tbe source o:l' the samples for the length-wei ght

" .. measurements on redfish. (50 fish per sample.)

Date the Sample s Days between first .~

.!rea were Landed. and second samples •

Channel 7/15

Off G1ouoester 7/3 7/13 10

Jeftrey's Ledge 7/17

Oft Portland 7/16

Sequin. 6/19 7/3 14

Matinious 6/16 7/13 211 ,c r,'

Mt. Desert 7/2 7/14 12

Platts 6/15 7/2 17

Cashes 7/16 (

Cape Shore (Otf She1bourne) 6/15 7/2 17

Page 84: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

-..

..

The samples were taken as nearly at random as was possible

under the conditions existing. Usually this meant picking about

tive to ten tish tram eaoh 500 pound box unloaded until~ the

required 50 were obtained. However, same fish oompanies use

300 pound wheelbarrows and som:t a 150 pound basket tor weighing -

the fish instead of the 500 pound box. No strict dispersion of

the sample was attempted but tJrx~V'n not more than two fish

were taken per 100 pounds unloaded. Neither was any attempt

made to spread the sample systematioally t~oughout the whole

trip or any definite part . at it. Taking the tew fish fr·orn eaoh

oontainer resulted in spreading the sample through several

thousand pounds of the boats oatch.

To avbid personal bias in seleoting the fish they were

pioked from theO(lntainelt in as D objeotive a manner as possible •.

The three, five, or eight tish or whatever the number pioked

up were taken trom those nearest a oorner or some other definite

point. It is probably impossible to oompletely avoid personal

bias in piokingup fish in this way but with oare it may be

reduoed to a mtnimam.

Na restriotion was plaoed on proportion at the sexes in the . ( ~ tiu. a:.. 1.:f;r;J-)

samples. Aslgnifioant preponderanoe/\ of fElmales were enoountered.

Of- the 800 fish measured 461 were females. The number in the

samples at 50 varied tram 18 to 39. (The sex was easy to deter­~-t,a:..fJZ;;:;C'~ ?i'-rtcv.->

mine from the exterior for the adult redfishl\and fairly' easy

in the case of the i~ature8 but it there was any doubt about

the sex the specimen was opened with a a knife and the determination

!Dade from the gonads.)

Page 85: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

..

"

.A.NALYS IS a F THE D"\'TA

Oovarianoe analysis was used to determine the souroes of

variation and the significance of differenoes. Table 2 presents

the results of the analysis for the differences be:twaenesexes

and among areas. The differenoes be.tween sexes is slight, the

value of F being between the 5% and the 1% levels. The differenoe

among areas is highly signifioant being well beyong the 0.1% level.

However this difference among areas is confounded with differences

in the time at whioh the sa~les were taken both in respeot to

calender time and to the period in the spawning oyole which is not

the- same at the same' date in the different areas represented.

Henoe a further examination if neoessary before it oan be stated

that the different areas produce redfish with a di fferent length-

weight relationship.

The significanoe of the time factor was tested by a covariance

analysis or the difference between the first and seoond samples

taken from the six areas which were sa'D.pled twice (Table 3.).

The difference is highly signifioant when both sexes :ue oon-

sidered together or when the females are considered separately

but there is no difference in the males between the first and

second samples. Change inwe~~t at this season of the year is

assooiated chiefly wi th the females. Furthermore it would seem

appropriate to test the significanoe of the differences among

areas by using the ~easure~ents of the ~ales only.

Page 86: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

I?e d H.J ~ L e 7Z S rh - Jrh/ J h ;& /1j1,1.- Y C?J/aY/c977~e 477~/yS/S .p;::' i:"h~ 1;.,

.Dr /-'~eYifl'77Ce.5 ,be~We'~'7? Je.-t'e:r 9"'"77cY dT7'7~77J' 4ye'.:r.5

..

••

~ .. , \

I .ooS~

======~==~b===~====~==~====~.

Page 87: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

..

I 1

Rm~/~l !/,{"z;z!':L. pnly j

I ~J1ic¥/

Jiim?le. j

i £",;,,, '? :,o,/¥(1)f"';" e PoY · : ~,~ of .5'ti71Tp/.£.... ii'

1 ,

__ ._. ______ ~. __ . 1---__

/leC;/A.:5~ Le'n~:t~- k/e/,j'-7C

CO )/cl'Y/4'??c&, 477q/yS/..5

;-~ r 5;< TI,~:;r;;]I,~53c~G;cT~::r='c~ ] j! l' \,

:U7/ 1·3 .... 121 /./It?"lt ls.7r'3! ,:u.r) .2'~ I \, .\ I 1 ,oar;, Ill' t? /71 .o-¥?..J 2J

;2{,' !,31":L/1

/.IS?.2:.-1 3 ,7370 -,;J..6~b ;U,j- ,tJoldl ;

I ! 1 ,t>~o/ / I ' 1 j 1/= - 0 ,

LVol c/(tCIe {""t' nc-<::.-l

33/

/

.3.3 0

/

I i

.73"19 .<,2.//0-1 Z/.20,2 I

,ootJ7 -.~o/~ ,t)o~/ I

.'731-:2::2.),/.2.7 17.//'1/ I !

j !

r£t;:HYt!'77C.~ I 1 i

i 1 , 1 J

:330

; , 1

/..j-7~9 I ,~h97.2.. i/i-17'b1q I 1.36;'" , s-9 tf , I

I "0 "G -.000 7 I . 0 " 0 '1 /,.51'1-3 ~.' 979 l;l.//lI/SS"

j

/

, , 1.00141

, 001.2. 3

""" I~

3

Page 88: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

- .

---~-------------- --------- .- ----- ----- "----- - ------ ------/}e-a-"&-;)~ ;c~".f~-M"7:;p C J/c7 Y/ q ;?,?ce 477 q1/y~/ 5 -~

I ;J t( cJ\)·J

"~~jtd.-L· ~~ -. - - cr - -.- - --~-- 1 ~ .-=c==-=-== __ ~_~;t;;l_· 0.?71~;:: 1 s -"~"&?,~!_$,i"J.5:L~ __ 4d:l.&~! I __ ~ __ -

i i: ! . i, :

I : I : _ Ta;z-~/ '331': , 49'7,j- ! 1-~0-5b ?1i'76.3', 3/91 '33

A).?qS '1 1 .t)~3(. i ,1361 . "I.P/()

£).,.0 y :1 J. 9 I. #3 ~ l' /. 3637 ~422.3 I I I"'

Uffl7'f'7J~(! ,4,Y j,

7lS/:-177j /1Y~9'..s ! _ i

i , r:= .OO.2.7i./"0070 , -, I

I

I I

.:J..,/S"/I - I

i . () 2"1 '/;

Page 89: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

--------------------~------------------------------- -

-, 5S

'I . . 0969

£)1'';1'0 Y · ']1.5"/ • 'f,J;J..;.j , ;2.~ 9 J'l : Yo tJ r;z. (. .'tl3f, 4.j-e; , I!) 0 I J-f: J •

I ' ! I

: flf1L~yt'~u ,co>, j;-i'S if/'77j 4 Yt'd'S . (0.5'6/ ? . t7oG23

Page 90: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

. .

(

The covarianoe analysis of the difference among areas was

repeated for the males omly. The F test reveals a difference

well beyond the 1% level. The analysis was also completed for

the females only and as is now to be expeoted and even more

significant difference was found among areas; well beyond the

",

In summary it appears that there is a relatively large

difference in the length weight relatbnship among areas and

a lesser differenoe between sexes but both relationships are oontinuing

confounded by a/lOSS of weight by the females during the period of

the sampling. Let us examine the magnitude of these differences

by means of the regression formulae now that their significance

has been determined.

The various regression formulae are presented in Table 5.

From these formulae values of the weight have been calculated

from assigned values of the length. Several calculated values

are listed for the major regression formulae and only the value

nearest the mean for the individual area regressions. 'This single

value is best for comparisons among areas. Since very few redfish

were less than .40 in length the oalculated values of the weight

for a length of .30 are subject to irregular and non-significant

variations caused by differences in slope

Page 91: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.. _.

f = .. ,(,0$. o£ -te'77f L-h J,:1(/ '7 Co e.. CJ,t:. & q" ?' ~ .s j /0 77 /17/,"777 •. J il /V

,W.6"-4 .J.u t1'J

All 777t!'a'5?'Y~777'77C s f'eJd PyAY?d

(91+ 610 fJc.e s ;t;~ y .10-0

Se9 v 177 I CJ.-O

M4i:/ 77 /C.VS 10-0

/V1 t: Oe 5 e y ;;t , o-c P/q ~.L:5 / 6>-()

C<¥.?t!. S);"Y<!.. 10-0 C~5hej o~ I~)I t;/c'I''77 d 6--0

Ch4nn?/ 0~ .( e /l(.: 'Y/ es -.5-0

[ill t{m t "f J~7"I"1 pi/ 77 j' .Jam? Ie. / :] t>-O

Sq717P Ie 2, :1 0-0

/i'/.¥ /~S ~77 Iy To cOl-I

.. "ay A YL'dZ

D(-!- &1(>(.)".::, i:::!..Y'

::;e.f tJl 71 /1/" tl77/C l5 I'''~ O~.5~yt: PI q. 1.:;!-,5

C"'p~Sh"Yc::. C45 h~ S 1:?o)l'tlarnd c:.h4 7777~ / -Ie !-+y/ej

6'y 1: ("Tn ~ I> /. J'<i7?7I;;/t nf ~<1771j7/~ / .;)qm?/~ .2..

re 7n ,;:;.le.5 On Iy roi:q /

13y /t)fte t) /-;:.-a II:) t.J C e:, t- e v S't2qurn 11(4 l;ln/C"",,S 1'1 t; .0", Je)lt; P/Q1I:i:s Ct$pe S h() ye.. C<l.s~tf'.5 1::;')/ I:-/(J( nd Ch.sT777~ / je f-~Y~(!J

(3y ~/7J1e oAJ.77l?It7?P ~_c; 771 ,P Ie. I .Jcim;-:'/e.L ,

3J'l

'If 39 .so 37 "It:, .,{

IS ;22..

1/

.F"J.. (PI s-o 6/

oj-If

04 32-;J.-t('

31 30

/77 _ .o~C/777~ ;6#'y.j

ITej";I'#.j,:,,;., 7'f

e o~ r-= . - ~

.2.9&J'"I.1.X -.~l'o9.J

:/..717 t'''JX - .320 j­j./O/.;) .... X -/1 srt 7 :;.f'''IS0X-.J'773

. ~.r':';'b 7X-3f'.r.2.. 3./27J1. X -.,j-:VO J.oJf.~ S'X -.7'719 ~ /7 f":;"3 X - . .J 7 ~ <j"" 2. 9~'.if X -. "1.3 tb -2. 779J-,X -.3"100 ~. 9"172.)( -, "I:J.J:r

3.01'.3 (. X -·"11"76 ~.,f'j·-9'i";(- . 392.6

:;.'119"1 X -, -1'/0 3.D~ (;;...)(- .~'f ... '/ :< .13:n X -.~/.j-6· :2.7 () /;;... X - • 3 2.::l. 'L

:J .1 (Ylt ;< - ,.5"'/0-;L

':.033bA-. i't:.r",.:;-

IJ~ It ..

3,11).;)9 x - . If 9"1 l' , 'f..i3 "' :2AIIJ.! X -,1-1/3/ • 'f~

;}',"7t; 2~X -. 3:n J..." 3.:1..3 '1'iI X - ,.J:J..:J"j­

.:2.7 S"?:,-X -.3.:t~3 :J. ,f' f" '16 X - . "I ()iJ.3 3./60 .<f X. - . • :nJb/ 3. ~ '7 2~X -. "I~8'1

,o.t:.a

3. / /J. 9~ -,..)-6 J,j.... I L/ 3CJ-t :2,1113 X -.ifo"'!/) . 4j~J{

.90"D ,11'13

,j -

, 9 (Xi .. f' t'lp$ff ,.;­.. '1' 'j 10 j.lJfta-a

/. O~/J

!/.O.:J-JO /':')0 'fb _I.t' 3 Jb j. /7 f6

Page 92: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 93: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

....

"

crUAJ ~~ ~LL-- ~ ~~ ~~ e~ ~ ~~ '. c722~3,

~tf/~d.; ~ ~-r-..-, y;w{ ~~/~ t2,cJ~~v

-v-~y~~v~~ /~.£~L ~f~ ~,~

r~ .. ~~J~ T-~{,. I~ 1340 6&4 d~ ~ 4'v~~~ ~~ cy ~ ~q7:z7~~r~ ~~(~~~~ .~ ~ /,~d~7 ~~ .. 1f:1: .. ··i,,·~~'~··~-;;~:~~2J··?:~·:·d~ .... ···· .~. ~;'"·;T>j';·c::.: ~'~'r ~cf.~~ r:tu~~d; ~ ~~~ . l' '7vt~;:" ~ ftv.-, _~ Cd~ £L.u4J Ct/17~~ 2f k -~~~ Cvv1.cI LJ~.J ./U-~~./ ~J! ~vv d~ ~ ~~ ~ /{t~A./~~ bSiiN"d' 3'; CV~~V~~~~U,~~ p"

~;.Z<:~.·c/cvV~~~ ~~rft-~I ~ #~ ~~~~---rAc.,...;f-~7· ~,,;;;v-~~{/--z:~C~c/ 7'~7

/~l/i...~ ~e: ~ C~O~~ ~J-.z..e~~~c-<- _~ ~y~ . fV~ do/~A~tA.r7k~ -.~~ ~~l'~. --L-v~~' f~~ -.~ ~~r ?v.>f'Ldc6. ~ ~

?~ ~K0-y?f ~ 3,&':7 -'~/~

rr~t/-k~~·

Page 94: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

..

. 'j I_++~I : ~-H : I iLL.Ld.Jl 1 l " . ·~_:-L.LL· I 1_,: 1 III! , .~ . I ,I; .±ft' i l-i~_ ,---r: -:-: -'' 'm ". -l"Ii~ ~-I 1:J{r--r-r, LL 1 i. LLl.l I·' I· I,. I " I iii. -r I : 1 . 1 ; I: ,I I 'I ~ --:--t' , yl i'Y"'A'WYr-' I !, I I 1- i ' i I -rr++-Je-h-t'rrH- -1~·-,+tHttl-, It;:;.rTi , . i : i I t ! I : ", T I ' . J;;;:Ji> i ...i h I '/ +L LL i I I ! • ; 1 ' III! 1 ~-++-' ; Ll.:_ .-LL I" . 1 , !, !,': I IT , I Y J If' 'eI A""'/.'/7 H~- ; ,; I' i i ; 'n,! i ; ! i , I I .

;1" """'++"'ttt" ,,1, 1 :!IJ"--L-JlkfHtW'! ~" . .L;" ' ."," "I,:I'I.II'j ;l;J-f-.- -l-+-Ll±! I I I-~~ ~ =r.' ItLrJ~-+~.--JLl)kJ-~+-r-• t%-' ~~ ~+:.L+-H_lLLD 1 iii 1 4+I+:rm+~1~ '-J~' ii, f-' , I, " I L . 1 :Z:Z17'!~...c;I7f--l_1-_ ~ __ I , ._ . • ~~. (f i I. I, " I +-+-l : . , , 1=1 : +-+ 1.LLL. .. rt- -r--rt-i_+-+' .' !-l:: ' LI: i, ' .-+' (, I : V7" . -LLt-+--L-i-U " ,,7fT' , . ' ". I . I, 1 , t. I H' I '---L _-1-...1_ ! j'fT( --+-t-t" ,;, ; . f? \II . ·/ilr,:;II....B. i 'f.WLl' '.J. In.. • ; d<,(j,-z},/l.'a.-Uh \aJv:k;0' y- . .~_'! I . : i . I , I :--11' ", ' "!"" "n'" ~' ., . ..LLJuI-Ll ~' I I ' , "I .V' I I, I . I ' !,!,., tH+1 :-~" I: I i .. ~--l-l--' II ~LYNI\:e)v'l.dL~ I Oi-WL_<"74..zi7· ·~tm"l' 1..i..-1-'_ 1-.1 f i - lL+tm'-+t' I : '+-r1 n-~_-h'CfT : QTCCr-"--+.:+r1 ,I I 'H-- . J I '--+-+-+-' 1 ,. I i :[,I..l-ttt.llI IT! Lj ~I I

H-t-t-I: " -t, -, 111--'-' i :i 'I ' 1 ! -t;,.b-b+#~_I __ .~ I, ! .1,' -!- : .1. I ! , I ! I I 1 -'--n-j-+-L-LLL1-~ , " ' ''''.t:'.e''-d.,vlYt''Gif .7Fs ' ~n Q'}i!Z'1:Q" I..v:, I 'i, I If, ,. I • , !i'i~f, I I ! : ' I ' ! I

I , .-i--t--H ii, I .' i" I I I L-+#tH1 'L+-j++-~.t-~+++L ') . ' ! "!II' ,.\-,". '!' . ! I ; . i .~ I ,

I '+-++LL.L , Le-!-c-+-l§Pl/i J ! " J--k:rr...,W-},-;r1--4: :..+-+. :1 I : -l_I--f.- U Iii i i ~ t-+--' -: ,n ~-t-H~l i I' H-ti+~ tTr~, 7 f, t'; fffl4-fT+-t-' _; : I r LL~-l: III "+-f iii ! I t -1-- r----H !! -1--l+f-R-P:

I \ I - I l- ~l I [/ n ! I 1 /1 I I I I I ! ; r :; i I; 1··1 ~ II j' : i f i, " j I:" ;:

, : I I '-I-!-+-i+' I ' ,(, . .,.. ;..I!t-Il'l1L ,,II/. V!Y!~~.L ·EU:-.='f~rm: .' '--.l. __ .I;, : IA ., ", iii! I .. l-l-l_·' . l~. '--i-w-:H=0-..i-w t-t.+ I, m I I I : ' : . HH-+..J.-+-Ll-1-+--L--J..! I! I , . ill' , '+! . ' I , I L~=m=:J..--rr.:t:~ -i-I . 1 +--i-J-Ll.l-I : -+-T. _L i· I I i _,_. I n-q- , I..L' L, U +-L.LL~-'-H.u~1 ' ! , '.-LLi-l..l--Lf.--+-+ ~ I I-LLu_' , I 1111 T 1~~d[S'-T\ ~~~IF1<e'W--1 T 11;-- -1++ ; I; . , IT! ! I Ii' I -++ , l! ~ I il.t :: ' ~ J ,[ I ; . 1 I I ~ /! f ~ I' J! l~ I j I t l I ,! ) "! --, i ! ~ -' ! fl. 1 j-i-J'j' +-J--W-L I LLL.' 1 .'.1 l-!_ -H-... U. 'i- '+-; +1-J .: ' 1-: I i 'f\-4 ~#4~.-~I-++-I I -l--L.J.--l-t±'h-rf-H- +-L.4. 1

~1 ~ 1 I lin I I t --no i ~-:r ' ~ ,+-, I+-l_+~-tt' I H-:-! ~~ ~~~~ 'i~~- . ! '~L 1 t-tt- ±±t± :-trtt-fi-t+H--d-t- -1 , "' ++++++t- : ; 1 t+-t- .. 1 IIIJ / ': ; , . '1 I 1 1 -tl+t-R=+'T:

I I R=t i ,I ,~~ , ' 'I : I '-.1' '"...:l--ttl I +_LL L'\--.i-+-l-4-+-- =r' J--.LLL· _.L.L I I tfr- I . ~_.LLl ' ! , • 'J ., t 1 . 'I i i I T ' I I , -t--W-±:: 1 _ ~tn--nll..LL -T! H-l + ,-:--ITiTT -+ IIIJ ."TIT' 1--. -r-m '. ' .--1....1_[ 'I -H rl I' '.LLLL--LLu· I' i I . , '111 ,i il' -f-+++--l--~U I , Ii' , LlJ.. :-t't-r---:-r'-H I --t-:--rT, I i r, 1 I., , I, ! I. I ! : ! I I! . 1 ! I I I I t I , , , I

L' : . : i i.l :! i!' I ! I I' I, i --L-i--+-- iii ' I· , I! ,++t' '_I-++-+-I :. ' I ,! :' I ! I ! , I ! I' j I-J.+ ~, i . 1.. ~ -!. I ! ! 1LJ....u.~ -I. j I -!. . [ 1 ~,l! f I ! I i i---i-L-W_l 1 "_i_ll'L...LJ_' I.JTT-rT~·++-! I i ~W-t-I- i i : !_

r-t-tl TTFF1i' i I ! l"'I~T--rrrl LL:.j : rtijT J--lJ-J. t+1-Tt-1 !lITTI rr iTTTT I ' '+H '.: LH-i I 1 I ' 'iJl : ' c..LLU I ! ill : -L+~LLU I " -j-t-I I i I I I I_L! :++' '4-n.'! iUJ . j , I , ! _U,.1.+-' I, [Ti-i -W..J+H--l1 I--LJJ ~ i ! I iTtTt! T Ii: i ~i :. t !nl." I I : i I I ! i tl T-t-t-h-! '.! . I. i :. lit· ,I I \ !. -I--l-~-, I) ) I 1 ~ ! ! 1 ~ I :! I r LLLL ..... i_' I,. i i !ri(\ 'J r",,_ I iii U-Li; '-l---L 1 I ii-I ii' I , i.J.:....LLt;' '_11 I' 'I '=i=+ i" I, '_I i i: in~.t....L.L ~wm' -\- il--U-l-. '. >.:. .:. C -+--:--1--;- U ' TI1-J._i -:-rt I -: Iii ! !, I j I TTl r:r-r--r I 1 : l~_.LLL.' ~.jJ! i I I ,T LH--L. L-J '.'-1-' I i IT! i-l.-l---!.-!-'m'~ 'I· ~LLLLl..r· I! ! . , I , "I '.', I ·-tTT, ! ' iii !. ii' , r LL.:...' iii, H-' u.-;.lL ' j Ii i ~j'j-~~+--;+ : -+ H-~-l-irT' i : _IT.\.-J.--l--+--lil..l..h J-l--i- ' ; :---r:-till i +-+++~~-+ I '1 ; i ..• ~+--+-H-LJ Ii; , , , i I~ I . I I !,' il-r i ! , I " i I Ii! ' r i'IT/li -r-.; I, " J!' ,II . ' , , I : i " .' 1 , f--l--W-L , , ' ii' '_--'--l.. I , I _t:.... .j.....U-L I -i . .( ;' n~_ i ..:-l-LL' tiR=t· I: ...Ll...J.' --LL: III ' i . : l-l-LLW :' ! I: i i -h--L '-+---+---:--+ -I-ll! ~ i--l-f$M' I !-'l:T'TiNrj I ' , HT ;-':;:::'-1-1 Ll-LL+--i--L. .DI!-l-.i. I 10" ,i 'I I ! iii I II I i ++-+t I' -W---i--:r--l-.J ! i-i i ! -f-+. i- 1 : " r--r--r'1 I: ! -+ I '~~.:t+'F' ~ I -l..J- I , ! 1 ! I ,J !II' I . I : ! ,I J L +h I '~LLJ--H-H-i I ! I I LH-! t II :' IT , i :; .---r-Jri . I! i iii i I U--.LTL-i-l..LJILJ.....L I 1-1 i ! I : : i I I I t +-H lTU : '--1--' '--l--J-" lJ.-.-+-+ n- i :! " ,i, i~' IdAI I ,- 1 ! -;1- !: i"iTTTTT ! • T7I'fTl.- -y- i ., 1 ,I , , -, I : ~ ! I " if T ' r ' 1 i , ; ! j'1'l .,1 il'~.VV i ll --\-..1--i'li l -Hm:: il'I·I!llAi :lllI"I'I·II:·III" II--l.--l-...!-l-'II 1';: r_U./'· 1. -l-+LU-1.T..L" .. --H--r-P--L-i-P-.t:u=! Jel ; t 1·tJ=R1 . ! ·-:t1.i i 1 ill I ! H-++.! ili I. i ! ! in: tU± !-'-~. !_Lu_ ~ I I U---LV -'m' , . I +-+ I i'l iii i i -i-L+-J . ~_LL-'H . . '- . -H' !-1.+-1 ' I i 1TItt-th' '. I ,--++ I.n 'jj:--LLt-' LL-.L~l1 ! I D.-l. ' 1 I \ I , I j LL-..U-LL I ; !T' i, !. Ii! +t-' . +-1- + l.....!.--.i--!-+- I f; Iii ' ; -rr I "t-;' I . i ,- T-:-tT. j i - r1 ,- ,-r+---t--i, 'i" j , , I ' I '~l VII i I., 1 ", 1 1 " -I : T T ; , , : Iii I : i , ! I :--r~-. r--[' iii :: l-l-+--' ±t. 1 I N.L.l_. " '1 +++-t-L:--J-J : . .' : 1tI: ,., ! i , I I ' i ,::.:, i : J..-L t ! I -i-L-i-L-' ! ! Lill': ~ffl! I +-J-! t ,::.tt~ Ttt- I \ I 1 -LH-' i'! ii' lIU--i~/4-1-±ili[~ -W--+. H'..l-W- --H I II t8±E' 1 I I , w-.LLL.J i .-1-w-~+-1 1;; 1 tl-l----r-rI:I_~II. I 'I !,il l !) 'j'iWn!·! L iii!. 111 I!W-L I Ilillll++-, 111.j.~ JrT IT I :+tttTIC'!~' , ---i--+ '_ I ' :11 iii i: ·1 .Lilli iTt-I TlT1-tTrrrr:r-rrrt I i ~i i i 1-"1' :i--t---j-,-~!..~ i- 1 !' :!'. i ,...,.\,., : iii' I . I: i'TT7/II!i! 'iLl",i2rA'~, )..,;",: !7:mM ."f zE-1? ,r, ~ "y--""j-r~ 1-' +-1. II W-I---' ..,j", 'J('i'" I +-+- ·1 :I~- '=t'll [;.IJ-1. ' II'-H'+-t+' "Ii ," ""! . "I'" l-! 1 iTT--W=-l..-LtI + ~ ., i n t~·llLL'=fl I-E- n:1i'T ; ltD ~i ., i 1 1.-!-Vt)<.+UJ.· ",!; I ::=P-.:-+=t W-+-+--i-+--j"'-r i I . -t . I~, , ' , I TTTTt !' . I ' tit-' I !, , ,iF",{;l,.,i -r: i.-' '1.cv.~/. v i"":' '). I ' .. Ii' , LLL.+-+-TIT.+P- ',! 'I, I' I, I : ,I ~ . 'III' ,:, _ --.,.- " -L-LH-+ '--J-r+--++++-P--l-L -.LL:-L_' , I : ' LJ--l--I; liil;1 rll! II ',( 11'1, II I I. II/It·! i 1',,(11 III"II!! 1)11 1,11 11 11

tEtttttt~-r I '-1- 1 'I' l' , I i=++ I .. =1+' -- 4-l-+-t=R=~ , : Iii i • '~~H' --'---'--l. . .L.L.L-Ll~' f..-L..LLL1 I ," U-+-W ~+--I #~II I~,' 'i++-t-+- ii, 11-, ,I :~ "-H-Li' i I !J-.LJ---L1-LL~' ~ L 'p I I I ,--r--r. -r::- --1'-+--+--U', ! '. I J.:-+' I~J 1 , I ,: I,' 1 '~Ii -++-8-~i--f.-rl 1 f.+H--"- I_.!.

'H' ':f=! I : ++ ! -n-TT I. I t I i , , L-LL8 .lA_' . L1I i , . I-=cr-t'Itl-!-1 'I I ++++-1 I : • I I : -H-: " . : ! i I I -r-., I: I / A I 1 I > 1- DJ~ll lii~,-,-I I 1-1 1 i I I !"-t-i--t-+ I I Iii I 1 : I !-:--ti-~--L.LI-W I· .!: "i tI>"( 1.':"- ' " I .. I "'!-i--j.. I '.-1-+++-+-1 ' . I' ,I, ' L I I! I I ~ .' I, i I j , I I +4. '-!--l-L-!-I-1J-Ll.. i . !---l--..i-i- I·'. ~1-' c-+.Lh __ ' .: I n++--f--t-~.LW-W.- W-i-4+1. i .! ~ I Iii i ! .. 1 __ 1--1' Ii: 1 : i iii I R ' '._i .. J ! I I ' j. I I ,: . -l . I I I u' LLJ rt:'~lrr-i-l' '±J iTt 1 ; , I I j ! . ! , ' !, ! if' L-h---W--i-+l.:.. ; , l Li i 1 i, I I I j I :.1 I 1 L_L.L' I I -+--l-! l !.,. I!, t-'l m-' i 1 !~ I !.,! I I i ! I i I i I ! Ii: , , i ! .~-i-l-+ ' i-D :-rl"! i -TTl-Tt-r-n---r-n--:--n-' iTl't t;- i ! -t--H";'t 'IA , , I t iii ' ; l-n-r--+Tr:ri 1-r-H-i-l'i Ii i ~ __ l=RTn-"i ,-i: I ,

h--+-LL.!-LL ' 'i , ' I ' I' ' ,i I i'. 1 in I '. I ! I ,; H--+--1 j , : I ' i I , i -1-++-1-++1.' ! , -+! I JLHtt : ' I I : T I ; , , I , I . _'--LLJ' 1 K '! 1 . I ' I _, iii ill, II! , I . : I I : I,! I ii' i . r.++-+±j-H--f-+ I -L+--Ll+.l+P ,J Lt T ~TTrrj II! '. ; I filiit -+--++ ! i ,: i I ill; : ! ~ . _Itttt'. ' -'-~ i ;: ti I ! I i TI--H-~ T i r~ ",' i,l.' :: -H--H++++-H; ,. ' . ±t±f++:-i; : r++=P-: ~ i ; t -L!.--.l.J..++-+-4-ii..J.. 1-1 ~"I-'~ '.-1. -!-H-' I I' 'HI Ii" ,i Wi' t"LLUW' 1 i I : ill' i i j 'j' i CJ : !! L.!-J.. J.:-!. t-t-I ' 1_ ++_+: 'fT. I Hi I, ii-LH' I.,., ,. , I 'i~': : -r-;-TTnT.l ' 1 _1. '~'~~ i I • 'T I . ..--r I •. " M'-+.'-\- ",-,--;-. 'H, . I I ",~--t-t-I" jt " ,.': , . I I I ,I L ill • _~---.L.JL '_U __ ,. I I I ! I I .- . L....L..l.......' ,. L L -l: ! I . , I ,

, 'i -' ++-U-I-t-H-l-i~i~+e-t-H-t-_,--rl': iUi-t+t-r+H-++H-~ '., ! I '-~I++-H-TiTtt-+-q-++--H--L J--LL~ : , : ': ,l' I; ': 1 : : :. '.; I I' .;' iI I":: I,:: : :, : :: :.:;:! .J i : : , ! . :: : H J_~t -HI-n--p'-'1jj It rt:L1= -H-.J-I I ! j"' i~-l.-i-{ ! ditb < I ,.t-H--d--+J-=r=r~ i--ttlli i I : ! : TG i-L-!iJ_1 '+-1-++ I , I I ..l-i.--1--' -titt' . ,:-ifti:r I : ,'i I ' I 'I I, , ! I, . IT, , ! 1 .+-.l.-J.- i , , '-L.!J I : i.J. 4--'--H-+"-t LLt-\ j i ' ! I ' i ' Ie-!: . I I :L_U...lf_ I 'm .LL-l-J.+' I I I ~ iii. =i+t+ '--W-. trfi u--'n--n--.l : ! i ! iT! i f l ~ ! ii, I!' I i I ,T!:T j!ITT i i! \ I i I : i"1 I ; I i : ! I i I ! i I "1! ii' . :lITi': ~i.--i--j ii' 1 i ,I I I i _!-~I'-';--++t' '-.L-j'I it rn"~; .! !-L.-1-l- i L~.h-~· '. i·'! i ! f ' ! I . '; , i. I ;....:t-+-. ~L~-w-:-Ll~ ___ l' !! I ~tj-LJ...L±ttt 'w- "+ I. ,.·nl:'L-~_.W I! i~a : rr .. i.f;L : I i .~~-.lD.r,_~_, LtW-i-J-.--.1-!-L---:rr itT U I: U i .L.LL t-H--l-!----+ ' ,I tTttl i--l--l---i iT, " i-H- I J. -i-'-.LLLL' , i 'i i. ' i. I-Li-~ i.LLL_ i :,~ : , U Ij :::t l i ! , I ' i , ' I Ii: ii i • ,. ; +-+-!-y-L.~! L..Ll..l.~ . . 'J---L.l....!..L ~i r ! ; , .~ I '. ~~_i_L! l tr-cL.L< m. L' I I,' i I ; , i' ! i: . I ,~~"~-i c..c:1"'P_' i/,./;,--;h~,."fE4:k'!" i : ! , ! I i+i i I I IH'-HT-' '- i .' ~ +1 'i, ! ' : i ' I : , ! ! I !,' i i : ! U' ;!.-L'1: I i Tmi-. I : -, : _, ! , I' U_L.L! ~' ! '. ! -I-H 1:-1 __ 1 _, j-4-U-U ~! i i L..J--L..i ! i I • ! I ! I I l i l_Lj_LL~1 J-i-ru-~i -TID r -L,~ i l_.-LL!_!-i--! 1 _...LJ_if_L--LL j-1_~-l_i _: , : l--r1. ! , , i i ,'-Ii ' i . ! , i.L' 1 i i i. i. Hi Tl : ! ! ! ! ! ! , . I ! i :t : I I i Ea. i ! ii' i' ! i iT ' , I '.' i ! , Iii '-i---.-------r-;-i--·-I---,. (L--..i- r--r--r-"'- ,--..----1-- .... -+--+ ~1--!---i---t- --r-I'"-t-- -:---1--:~t--,--.--t--l-----'-L..l-: ! ! !~I I l_LLJ ~l_i_i ~!_LI_.l_,1 _L:!: L~-1 I I 1 ~ ,++-+_1- ,j_--L' till i -Li_1 i_LLLLLLL.J_t __ L ; ! r iii I -r-r-T ';--;---1 ~ ! i ' 1 ~ 1 i, I Tli; : !I I '. in, i i! • i i -:-rr: i, ! i r-r i ;; : I ~ : : i i ! ~ i iii i i ~: i : I ; I ~ j i! i 1 W+! i I ~-+-I iii l L_Ll-L-i + 'i! I i 'I ; i' I l ! i t i : : ! I I I: iii I! ! i..l. i 0! .. CLL~-W.U-i 1 ! iii! rui!-!' I--u.r--+--t iii i! I tlLU ! j , ! i II iff I LjjJj 1 i :-. iiTTt'1-.:.T; j'l 'TT' 0 '--L1-! 1-' i I ! ...JJ ... 'i rr-;-r-n I i-+ I H: 'LLJI ! +---l--.l--t--1 . '-4 . LLi i I Iii 1'1 L+J+t" iii' i l:i :::''W--i-: J !-.i_Lj-.l ! I 1-:::. I : 1 I' it-I I ! 1 i I ! I Itf-t-T1ITft! iii W-il'-W~n i -I : i ! ; G~-+-.-LL-+--W-I-1=.t I : i .1--!. • ! ' I.! ! il iii ~ tiT ill i I I ; j i I I i ! i 1 : ; ! !~ ill I ~ ; 1'1 I 1 I ! l ' ; I ! ! l-Ll ! ; ! ! i 1 ! I i~; !~ Ii! ! J ; j

Page 95: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured
Page 96: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

...

t

Page 97: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

~ .~

" .. ·Jt .~;

~

ct ~

Page 98: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

:;'0 ..30

19 1.3/ i i

:l.i"1 .U .. : Ir: 3.2.. j

1

111.3J...

t

'Ca/I ..Fhc;.v~ 17 , J) . : . .z 7 !.2J

\

1 1 I I I

I 1

I

. - i 1 /' i I I I

S),tft'JJ \..1:1,% PI.~f. P],C"'..+<;J I. l 1

ill 'i i i J /. '0~-d. ~~~t ~,6h~'--)

I ! I I I '. I , I 1

·1 ! I I I , J I t I . , . ; I i I I 1 r i I . j

j -1 I

= '=i=

,

I-i . I j !

I 1 r ! I ! ! i

I I 1

j ·1

i

I I I 1

j I I ! t

J I ;

1 I i !

Page 99: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

~ T-"~-· ~-~~,::r:gE-=l.,.:"h;;J;~:~ ~ r L .. <:~1,#cR-~e"h1o.!~r,="" 9==' ""=""="-=i'-"~""" =--'=" '=-~'=':~b[~=::-;:=:::::::-:-'='-=::~ fO'J{/'~1.-n18rl i..6tf I .2..J~ .2..2.'1 i -309 030-3 131.$"S~ 31'1 I ;V!,J!rmt.#U.s "I: :;..r'l ~o.s- I ~ <17 .:3..1 I ! -3J./ ',.,J, I

3 0 " I q 1 i 2.. 7-S'" .3 l..r Jilt 1"1.1 I :t :J.,..r :l..J 7 .:L ,..r ,2q '/ 2...;"'1 7 M.i I

'-.0 '-I

i

I

L

I

J2. 3' .2 'T,J J 2..s- ;.. '1.r :2.'1.r .r ...... ,! :J. i'b :J.17 ~.'q.t J~2 330..('I'1.i ~411 ~1~ I ~'}J ~.cll 'I

:;. b I J OJ .:J I " ~ 7 '1 ~6' ).J.J ",o~"9 )..&4 .2,' "69 2.7;;0-:2. " I ;. ¥<; ;..60 ;'''1 I ,,~:LO ~;S:-I/ 2,)' 6· 3.6/ '-66 ,2.~g

<'0 A '-19

:2.oS"l.1.. 2..31.7 2.31,'1 300. b 300/.3 I 300 (103) ;v.,t.3 .. 3~ :3 .31 336

'I .2.1.0 Ii ( :J..1? 2b~ :2..Sif

I I

311/,

. ( 1

J _.1 __ -1.==,,=, ==' =~

Page 100: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

:4:t~ -2't /f?~:2--4:2/6 f A :z. t/;:-f: 6- It? t/ C- ,</s ":i: a f

~ ... r If . . I _m~.;\.4_~'l!£:{ ImJn.M,,.R!~EydL-.;'£d L6",,-!'!-~L-i$'13:.7'L========-*i ===

;.2 / f i .J..l.. 3 .,:2..:[b I :1 d.j II: 33'7' ! 363 51 3~:L! I .2.' ~ oJ. '1 ! I 307' I ~~ ./( ....... 1 3JO i j :2,/0 .2.30 I I JO/ i3/f" .... ..,: I ;J.. .,/f' ,)./9 I 1.2 ~ 7 j3,fS ~~i

3 .~.:;- .z.?J- I 3 J 0 I 3;2. 'f "'"'Ii .234 .2,:r..3 II .J/;Z -:1// &. .... -;

.)..r l' 211 "J .2,!;- :2 '77 '-'.' ~ 71 .2;1...,,)- .3.31' 3t> 1"""-"" .;;.1".2.. ,;26 'I I .2. t"{, :271. .y-~ :2.6 f .2~J ! .31"1 :JSO 7 .... -1

~ I I - I ;2.1", / ~f : ! Jf7 ol_-, :z. '[;2.. .:2./ '1' : 3/D .1" ........ ,

2.:rt, I 2% I ~'1 I

.:z7~- ! • ,). ?,J-

.2. '7->­

.2~'l

:<'''0 2'7'1 ).7 f

~.fq/ :J./.j-

41/~i""r:ls t (0/;77 .. JIIcO:.

i i -----=====---- _._-

., i ,

i ==. ___ L

Page 101: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

, ~.

,f

- -

U"YI'S "c: -1/777e'Yt:) "

---- - -

/14'1 ;2. '0 /94' ';4..

CiJ;c'e S h" ye.. -7"3/61 A - -'I J­.If 3/6.j- P S

--. .---"---~----~.1?'------,-----'.-. ---'~--'-. -,-. -.-~, "'------:,------,-. -:-1 ~~l~-----,-1 ~------,,---- - --... -

~y 1-;'~J;;,,"'l!~'i<";~/-;;V~(~~~1-~~~ h:~:rf-== ... ==-"-"il=-==,~="""'"=-~-= In lit I/Imt.c4J',;z.J,2 .J..')" '1 ' :L:> 1: ;2..1"1 I :<'70 ?"-.,J

:Z/b 23b i .J~..)- 31:2..# .... ~. ~3 f 2..JI.3 :z., 7 13.!J-~ ,)-.., .. ~

Ttd:oz.l 4 VR7,,;~-e #tnl !1C1X.

" ' i 1

I

..2.".::;- :2.::2..&/ :J.r;z. " ;2..39 .2;1.1 :3 03 22' ~bl I .2.27 :u.J-:2'7, .2..3/ .203 :2.17 ~../i cJ"" :2 :3 7 ;:;"2.6 ~./f I '<..1~ .;;.~ .. r I ;2:Z~ :2'3"/ I .2.2.3 ;l2, I 2 .;'/ J..~ 1 ' i )..t() ;2.!Jf 1

.2.2 r .. :4r7' I :ZO/~ I

;;''7 f j

:L"~ ::;,.s,,/ ;2..2& ::2.J/ :2. ~.;) ~3'7

~oo ;).10 .2...2. 't .2 ::2.3

_~:~-____ • ___ -1..--___ _

Page 102: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

.j 077 e. :2.1 /9~;{

/l1 OJ ~ In/ (; t.;.j

41348" 413.3 i

~~= .. ~~~~~'~-~_c·~'~"r~~~":-~ '~--~:·~-'-=~t~~r:3~~:~·:r·';~-"::;~"~~~::f-v~~-·~:I~~~:~::~:~r'~~~~~l~·-'··~"~~= -~/:;~j lfn!j-iJ ~;~:- ~~~~~. -==;;"rF-;~~~--i -;;;~=~ ;;~=r.;~~-~~J ~~~~:l- -- 1 -

/fIt1;;md:~)I.s ..262 ~'>3 .;?:L/ I ;;z..,J-7' JOO i 3/.j~ .y-.... ! I

.~\

;L/' ::z rb 23/ ! .2':;2.. ,:j()j I :J.72 1" ........ 1 II

;;. If f" .::2..3 '1' 'II 3 / '1 ~ "1 (j" 31 5' .f"" ..... '

.1. 6..:l I

!l~ / I· :2.6..5- ,

;2'3 'I I ;lr;, ;2-

~7 I ;2~ ~ ~-~

;L.J/ If ;;. () 'i ;1.7 ~ .3 os-:l/f'::; );.)..7:2{' '1 .;2.#...)-

;2., I ~.j-;J... ;2.{'..f 3/..j-

:l~'1 /9'f 303 :2~O :L~-I ~/ / 3/ g' ~7/ J.7f 19 b ;21, / ;2., 2.-.2 :,-, ~o ).. rr ;2.1,,,/ :2-r3 ;;"7..)-

:Z" {. :26J.j :2.61' ;J.J./"f

;;'S-3 ~r ·;l .. :r7 ).13 ;2. t:. {. 3()6,

;2'~ ;l"')~

).7'6 J.:2'1 J...I' .:U~,

.:l'3 :47(.

ilr9 :L?O ;u;,;2..

.:2.!:J 3 .2." 2-:;2.'T/ .2.5"7 .;l'~ ;2.~a'" ;L73

I - I

I Jl.. I 0 I i"J-

I ,;l~7

;l.3() .;J..,s-I

/9.2 ;J../t)

;L76 1 :2.3.j-1.23/ I .;2 r7" I ;2..j-

I

Page 103: ENGTH-WEIGHT RELATIONSHIP OF REDFISH - NOAA · 42TfiE\ENGTH-WEIGHT RELATIONSHIP OF REDFISH AS LANDED AT GLOUCESTER JUNE 15 TO JULY 17, 1942 METHODS OF MEASUREMENT Lengths were measured

,

~~~~ K~~ ----r~;. /9~2-

~ IS: ~~ ~ r~~ O~. /.~ ~~~ ~ ~ ttt.-, -e ~ ~CVvv--J ~~. 7fo- ~ Ot.-o ~d!u(

~d~L~ ~--Q~ a.-o~ ~ ~/~~

~d. ~F~{/~ ~ -e~. .

~ /,t /&cL-r~ ~",/,'/...L;...---' /,k~~

~~~ ~~L~~r"~~ ~ ~/ r-u-7tt:?~;r' .~ tvv-4~~~ ~\ ~ I.~-()~C~c/~ ~..L~ ~ C-vv--/~ ~,,-J o--v-~ ~~....,;..,., ~Ct./I--~~. cJ ~ A/V'-<YO

32:.J...-vvv~ ~ ~y4 f lt~~ ~~! .. ,~ P. ~ ~ F-4 ~ ~~ --&. .... ~-ry¥' ~~~!~.

'J4 0) - tI~ dll~~ -~ ~ AJ/r~ --tJ{ ~ ~ -¢:;G ~W;Ar..a ~jh .